diff --git a/Libraries/LibWebView/CMakeLists.txt b/Libraries/LibWebView/CMakeLists.txt
index 657424e4dc9..88df9a4efc5 100644
--- a/Libraries/LibWebView/CMakeLists.txt
+++ b/Libraries/LibWebView/CMakeLists.txt
@@ -7,6 +7,7 @@ set(SOURCES
     ChromeProcess.cpp
     CookieJar.cpp
     Database.cpp
+    HelperProcess.cpp
     InspectorClient.cpp
     Plugins/FontPlugin.cpp
     Plugins/ImageCodecPlugin.cpp
@@ -17,11 +18,16 @@ set(SOURCES
     SourceHighlighter.cpp
     URL.cpp
     UserAgent.cpp
+    Utilities.cpp
     ViewImplementation.cpp
     WebContentClient.cpp
     ${PUBLIC_SUFFIX_SOURCES}
 )
 
+if (APPLE)
+    list(APPEND SOURCES MachPortServer.cpp)
+endif()
+
 if (ENABLE_QT)
     list(APPEND SOURCES
         EventLoop/EventLoopImplementationQt.cpp
@@ -49,6 +55,10 @@ embed_as_string(
 compile_ipc(UIProcessServer.ipc UIProcessServerEndpoint.h)
 compile_ipc(UIProcessClient.ipc UIProcessClientEndpoint.h)
 
+if (NOT APPLE AND NOT CMAKE_INSTALL_LIBEXECDIR STREQUAL "libexec")
+    set_source_files_properties(Utilities.cpp PROPERTIES COMPILE_DEFINITIONS LADYBIRD_LIBEXECDIR="${CMAKE_INSTALL_LIBEXECDIR}")
+endif()
+
 set(GENERATED_SOURCES
     ${GENERATED_SOURCES}
     ../../Services/RequestServer/RequestClientEndpoint.h
@@ -66,6 +76,10 @@ serenity_lib(LibWebView webview)
 target_link_libraries(LibWebView PRIVATE LibCore LibFileSystem LibGfx LibImageDecoderClient LibIPC LibRequests LibJS LibWeb LibUnicode LibURL LibSyntax)
 target_compile_definitions(LibWebView PRIVATE ENABLE_PUBLIC_SUFFIX=$<BOOL:${ENABLE_PUBLIC_SUFFIX_DOWNLOAD}>)
 
+if (APPLE)
+    target_link_libraries(LibWebView PRIVATE LibThreading)
+endif()
+
 # Third-party
 find_package(SQLite3 REQUIRED)
 target_link_libraries(LibWebView PRIVATE SQLite::SQLite3)
diff --git a/UI/HelperProcess.cpp b/Libraries/LibWebView/HelperProcess.cpp
similarity index 98%
rename from UI/HelperProcess.cpp
rename to Libraries/LibWebView/HelperProcess.cpp
index 493784243a4..9b5955fefc2 100644
--- a/UI/HelperProcess.cpp
+++ b/Libraries/LibWebView/HelperProcess.cpp
@@ -7,8 +7,10 @@
 #include <AK/Enumerate.h>
 #include <LibCore/Process.h>
 #include <LibWebView/Application.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
+#include <LibWebView/HelperProcess.h>
+#include <LibWebView/Utilities.h>
+
+namespace WebView {
 
 template<typename ClientType, typename... ClientArguments>
 static ErrorOr<NonnullRefPtr<ClientType>> launch_server_process(
@@ -191,3 +193,5 @@ ErrorOr<IPC::File> connect_new_image_decoder_client(ImageDecoderClient::Client&
 
     return socket;
 }
+
+}
diff --git a/UI/HelperProcess.h b/Libraries/LibWebView/HelperProcess.h
similarity index 98%
rename from UI/HelperProcess.h
rename to Libraries/LibWebView/HelperProcess.h
index 16a59f2dd5e..a46c6a6e8cd 100644
--- a/UI/HelperProcess.h
+++ b/Libraries/LibWebView/HelperProcess.h
@@ -16,6 +16,8 @@
 #include <LibWebView/ViewImplementation.h>
 #include <LibWebView/WebContentClient.h>
 
+namespace WebView {
+
 ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_web_content_process(
     WebView::ViewImplementation& view,
     ReadonlySpan<ByteString> candidate_web_content_paths,
@@ -28,3 +30,5 @@ ErrorOr<NonnullRefPtr<Requests::RequestClient>> launch_request_server_process(Re
 
 ErrorOr<IPC::File> connect_new_request_server_client(Requests::RequestClient&);
 ErrorOr<IPC::File> connect_new_image_decoder_client(ImageDecoderClient::Client&);
+
+}
diff --git a/UI/MachPortServer.cpp b/Libraries/LibWebView/MachPortServer.cpp
similarity index 98%
rename from UI/MachPortServer.cpp
rename to Libraries/LibWebView/MachPortServer.cpp
index 6a7a8491792..69a5fef09b5 100644
--- a/UI/MachPortServer.cpp
+++ b/Libraries/LibWebView/MachPortServer.cpp
@@ -7,9 +7,9 @@
 #include <AK/Debug.h>
 #include <LibCore/Platform/MachMessageTypes.h>
 #include <LibCore/Platform/ProcessStatisticsMach.h>
-#include <UI/MachPortServer.h>
+#include <LibWebView/MachPortServer.h>
 
-namespace Ladybird {
+namespace WebView {
 
 MachPortServer::MachPortServer()
     : m_thread(Threading::Thread::construct([this]() -> intptr_t { thread_loop(); return 0; }, "MachPortServer"sv))
diff --git a/UI/MachPortServer.h b/Libraries/LibWebView/MachPortServer.h
similarity index 98%
rename from UI/MachPortServer.h
rename to Libraries/LibWebView/MachPortServer.h
index a3eb048e22d..7fdf4f673fe 100644
--- a/UI/MachPortServer.h
+++ b/Libraries/LibWebView/MachPortServer.h
@@ -6,18 +6,17 @@
 
 #pragma once
 
+#include <AK/Atomic.h>
 #include <AK/Platform.h>
+#include <AK/String.h>
+#include <LibCore/MachPort.h>
+#include <LibThreading/Thread.h>
 
 #if !defined(AK_OS_MACH)
 #    error "This file is only for Mach kernel-based OS's"
 #endif
 
-#include <AK/Atomic.h>
-#include <AK/String.h>
-#include <LibCore/MachPort.h>
-#include <LibThreading/Thread.h>
-
-namespace Ladybird {
+namespace WebView {
 
 class MachPortServer {
 
diff --git a/Libraries/LibWebView/Plugins/ImageCodecPlugin.cpp b/Libraries/LibWebView/Plugins/ImageCodecPlugin.cpp
index d49c6e0c3be..90f79b962af 100644
--- a/Libraries/LibWebView/Plugins/ImageCodecPlugin.cpp
+++ b/Libraries/LibWebView/Plugins/ImageCodecPlugin.cpp
@@ -9,7 +9,7 @@
 #include <LibGfx/ImageFormats/ImageDecoder.h>
 #include <LibImageDecoderClient/Client.h>
 #include <LibWebView/Plugins/ImageCodecPlugin.h>
-#include <UI/Utilities.h>
+#include <LibWebView/Utilities.h>
 
 namespace WebView {
 
diff --git a/UI/Utilities.cpp b/Libraries/LibWebView/Utilities.cpp
similarity index 95%
rename from UI/Utilities.cpp
rename to Libraries/LibWebView/Utilities.cpp
index a41f60e0145..9f5350cd25d 100644
--- a/UI/Utilities.cpp
+++ b/Libraries/LibWebView/Utilities.cpp
@@ -13,16 +13,18 @@
 #include <LibCore/ResourceImplementationFile.h>
 #include <LibCore/System.h>
 #include <LibFileSystem/FileSystem.h>
-#include <UI/Utilities.h>
+#include <LibWebView/Utilities.h>
 
 #define TOKENCAT(x, y) x##y
 #define STRINGIFY(x) TOKENCAT(x, sv)
 
+namespace WebView {
+
 // This is expected to be set from the build scripts, if a packager desires
 #if defined(LADYBIRD_LIBEXECDIR)
-constexpr auto libexec_path = STRINGIFY(LADYBIRD_LIBEXECDIR);
+static constexpr auto libexec_path = STRINGIFY(LADYBIRD_LIBEXECDIR);
 #else
-constexpr auto libexec_path = "libexec"sv;
+static constexpr auto libexec_path = "libexec"sv;
 #endif
 
 ByteString s_ladybird_resource_root;
@@ -112,3 +114,5 @@ ErrorOr<Vector<ByteString>> get_paths_for_helper_process(StringView process_name
     // NOTE: Add platform-specific paths here
     return paths;
 }
+
+}
diff --git a/UI/Utilities.h b/Libraries/LibWebView/Utilities.h
similarity index 96%
rename from UI/Utilities.h
rename to Libraries/LibWebView/Utilities.h
index 2f12e61fc11..7d002a857b9 100644
--- a/UI/Utilities.h
+++ b/Libraries/LibWebView/Utilities.h
@@ -12,6 +12,8 @@
 #include <AK/String.h>
 #include <AK/Vector.h>
 
+namespace WebView {
+
 void platform_init();
 void copy_default_config_files(StringView config_path);
 ErrorOr<ByteString> application_directory();
@@ -20,3 +22,5 @@ ErrorOr<Vector<ByteString>> get_paths_for_helper_process(StringView process_name
 extern ByteString s_ladybird_resource_root;
 Optional<ByteString const&> mach_server_name();
 void set_mach_server_name(ByteString name);
+
+}
diff --git a/Services/ImageDecoder/CMakeLists.txt b/Services/ImageDecoder/CMakeLists.txt
index b315b30ac1b..e4ea770236b 100644
--- a/Services/ImageDecoder/CMakeLists.txt
+++ b/Services/ImageDecoder/CMakeLists.txt
@@ -10,7 +10,6 @@ if (ANDROID)
     add_library(imagedecoderservice SHARED
         ${LADYBIRD_SOURCE_DIR}/UI/Android/src/main/cpp/ImageDecoderService.cpp
         ${LADYBIRD_SOURCE_DIR}/UI/Android/src/main/cpp/LadybirdServiceBaseJNI.cpp
-        ${LADYBIRD_SOURCE_DIR}/UI/Utilities.cpp
         ${SOURCES}
     )
 else()
diff --git a/Services/RequestServer/CMakeLists.txt b/Services/RequestServer/CMakeLists.txt
index d3ff5dedf53..4016ebe5463 100644
--- a/Services/RequestServer/CMakeLists.txt
+++ b/Services/RequestServer/CMakeLists.txt
@@ -10,7 +10,6 @@ if (ANDROID)
     add_library(requestserverservice SHARED
         ${LADYBIRD_SOURCE_DIR}/UI/Android/src/main/cpp/RequestServerService.cpp
         ${LADYBIRD_SOURCE_DIR}/UI/Android/src/main/cpp/LadybirdServiceBaseJNI.cpp
-        ${LADYBIRD_SOURCE_DIR}/UI/Utilities.cpp
         ${SOURCES}
     )
 else()
diff --git a/Services/WebContent/CMakeLists.txt b/Services/WebContent/CMakeLists.txt
index c8fc5995950..8e65fccddc1 100644
--- a/Services/WebContent/CMakeLists.txt
+++ b/Services/WebContent/CMakeLists.txt
@@ -1,8 +1,6 @@
 include(pulseaudio)
 
 set(SOURCES
-    ${LADYBIRD_SOURCE_DIR}/UI/HelperProcess.cpp
-    ${LADYBIRD_SOURCE_DIR}/UI/Utilities.cpp
     ConnectionFromClient.cpp
     ConsoleGlobalEnvironmentExtensions.cpp
     BackingStoreManager.cpp
diff --git a/Services/WebContent/main.cpp b/Services/WebContent/main.cpp
index fa8f8fd5dc5..457724af6c6 100644
--- a/Services/WebContent/main.cpp
+++ b/Services/WebContent/main.cpp
@@ -28,7 +28,7 @@
 #include <LibWeb/Platform/EventLoopPluginSerenity.h>
 #include <LibWebView/Plugins/FontPlugin.h>
 #include <LibWebView/Plugins/ImageCodecPlugin.h>
-#include <UI/Utilities.h>
+#include <LibWebView/Utilities.h>
 #include <WebContent/ConnectionFromClient.h>
 #include <WebContent/PageClient.h>
 #include <WebContent/WebDriverConnection.h>
@@ -75,7 +75,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 #endif
     Core::EventLoop event_loop;
 
-    platform_init();
+    WebView::platform_init();
 
     Web::Platform::EventLoopPlugin::install(*new Web::Platform::EventLoopPluginSerenity);
 
@@ -92,7 +92,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     StringView command_line {};
     StringView executable_path {};
-    auto config_path = ByteString::formatted("{}/ladybird/default-config", s_ladybird_resource_root);
+    auto config_path = ByteString::formatted("{}/ladybird/default-config", WebView::s_ladybird_resource_root);
     StringView mach_server_name {};
     Vector<ByteString> certificates;
     int request_server_socket { -1 };
diff --git a/Services/WebDriver/CMakeLists.txt b/Services/WebDriver/CMakeLists.txt
index 698730776e7..c95830db79c 100644
--- a/Services/WebDriver/CMakeLists.txt
+++ b/Services/WebDriver/CMakeLists.txt
@@ -1,5 +1,4 @@
 set(SOURCES
-    ${LADYBIRD_SOURCE_DIR}/UI/Utilities.cpp
     Client.cpp
     Session.cpp
     WebContentConnection.cpp
diff --git a/Services/WebDriver/main.cpp b/Services/WebDriver/main.cpp
index e2a028bc8ab..088311c54d4 100644
--- a/Services/WebDriver/main.cpp
+++ b/Services/WebDriver/main.cpp
@@ -14,14 +14,14 @@
 #include <LibCore/TCPServer.h>
 #include <LibMain/Main.h>
 #include <LibWeb/WebDriver/Capabilities.h>
-#include <UI/Utilities.h>
+#include <LibWebView/Utilities.h>
 #include <WebDriver/Client.h>
 
 static Vector<ByteString> certificates;
 
 static ErrorOr<pid_t> launch_process(StringView application, ReadonlySpan<ByteString> arguments)
 {
-    auto paths = TRY(get_paths_for_helper_process(application));
+    auto paths = TRY(WebView::get_paths_for_helper_process(application));
 
     ErrorOr<pid_t> result = -1;
     for (auto const& path : paths) {
@@ -96,7 +96,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         return 1;
     }
 
-    platform_init();
+    WebView::platform_init();
 
     Web::WebDriver::set_default_interface_mode(headless ? Web::WebDriver::InterfaceMode::Headless : Web::WebDriver::InterfaceMode::Graphical);
 
diff --git a/Services/WebWorker/CMakeLists.txt b/Services/WebWorker/CMakeLists.txt
index 26623d714f0..7aab10451c0 100644
--- a/Services/WebWorker/CMakeLists.txt
+++ b/Services/WebWorker/CMakeLists.txt
@@ -1,6 +1,4 @@
 set(WEBWORKER_SOURCES
-    ${LADYBIRD_SOURCE_DIR}/UI/HelperProcess.cpp
-    ${LADYBIRD_SOURCE_DIR}/UI/Utilities.cpp
     ConnectionFromClient.cpp
     DedicatedWorkerHost.cpp
     PageHost.cpp
diff --git a/Services/WebWorker/main.cpp b/Services/WebWorker/main.cpp
index ac710af7f3b..f579f65b2aa 100644
--- a/Services/WebWorker/main.cpp
+++ b/Services/WebWorker/main.cpp
@@ -19,9 +19,9 @@
 #include <LibWeb/Platform/EventLoopPlugin.h>
 #include <LibWeb/Platform/EventLoopPluginSerenity.h>
 #include <LibWeb/WebSockets/WebSocket.h>
+#include <LibWebView/HelperProcess.h>
 #include <LibWebView/Plugins/FontPlugin.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
+#include <LibWebView/Utilities.h>
 #include <WebWorker/ConnectionFromClient.h>
 
 #if defined(HAVE_QT)
@@ -56,7 +56,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 #endif
     Core::EventLoop event_loop;
 
-    platform_init();
+    WebView::platform_init();
 
     Web::Platform::EventLoopPlugin::install(*new Web::Platform::EventLoopPluginSerenity);
 
diff --git a/UI/AppKit/Application/Application.mm b/UI/AppKit/Application/Application.mm
index 109d748dfa7..240ebaf8eb7 100644
--- a/UI/AppKit/Application/Application.mm
+++ b/UI/AppKit/Application/Application.mm
@@ -10,9 +10,9 @@
 #include <LibImageDecoderClient/Client.h>
 #include <LibRequests/RequestClient.h>
 #include <LibWebView/Application.h>
+#include <LibWebView/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <LibWebView/WebContentClient.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
 #include <Utilities/Conversions.h>
 
 #import <Application/Application.h>
@@ -70,16 +70,16 @@ ApplicationBridge::ApplicationBridge(Badge<WebView::Application>, Main::Argument
 
 - (ErrorOr<void>)launchRequestServer
 {
-    auto request_server_paths = TRY(get_paths_for_helper_process("RequestServer"sv));
-    m_request_server_client = TRY(launch_request_server_process(request_server_paths, s_ladybird_resource_root));
+    auto request_server_paths = TRY(WebView::get_paths_for_helper_process("RequestServer"sv));
+    m_request_server_client = TRY(WebView::launch_request_server_process(request_server_paths, WebView::s_ladybird_resource_root));
 
     return {};
 }
 
 static ErrorOr<NonnullRefPtr<ImageDecoderClient::Client>> launch_new_image_decoder()
 {
-    auto image_decoder_paths = TRY(get_paths_for_helper_process("ImageDecoder"sv));
-    return launch_image_decoder_process(image_decoder_paths);
+    auto image_decoder_paths = TRY(WebView::get_paths_for_helper_process("ImageDecoder"sv));
+    return WebView::launch_image_decoder_process(image_decoder_paths);
 }
 
 - (ErrorOr<void>)launchImageDecoder
@@ -120,19 +120,19 @@ static ErrorOr<NonnullRefPtr<ImageDecoderClient::Client>> launch_new_image_decod
 - (ErrorOr<NonnullRefPtr<WebView::WebContentClient>>)launchWebContent:(Ladybird::WebViewBridge&)web_view_bridge
 {
     // FIXME: Fail to open the tab, rather than crashing the whole application if this fails
-    auto request_server_socket = TRY(connect_new_request_server_client(*m_request_server_client));
-    auto image_decoder_socket = TRY(connect_new_image_decoder_client(*m_image_decoder_client));
+    auto request_server_socket = TRY(WebView::connect_new_request_server_client(*m_request_server_client));
+    auto image_decoder_socket = TRY(WebView::connect_new_image_decoder_client(*m_image_decoder_client));
 
-    auto web_content_paths = TRY(get_paths_for_helper_process("WebContent"sv));
-    auto web_content = TRY(launch_web_content_process(web_view_bridge, web_content_paths, move(image_decoder_socket), move(request_server_socket)));
+    auto web_content_paths = TRY(WebView::get_paths_for_helper_process("WebContent"sv));
+    auto web_content = TRY(WebView::launch_web_content_process(web_view_bridge, web_content_paths, move(image_decoder_socket), move(request_server_socket)));
 
     return web_content;
 }
 
 - (ErrorOr<IPC::File>)launchWebWorker
 {
-    auto web_worker_paths = TRY(get_paths_for_helper_process("WebWorker"sv));
-    auto worker_client = TRY(launch_web_worker_process(web_worker_paths, *m_request_server_client));
+    auto web_worker_paths = TRY(WebView::get_paths_for_helper_process("WebWorker"sv));
+    auto worker_client = TRY(WebView::launch_web_worker_process(web_worker_paths, *m_request_server_client));
 
     return worker_client->clone_transport();
 }
diff --git a/UI/AppKit/Interface/LadybirdWebViewBridge.cpp b/UI/AppKit/Interface/LadybirdWebViewBridge.cpp
index 9a786c72ff7..846daae443c 100644
--- a/UI/AppKit/Interface/LadybirdWebViewBridge.cpp
+++ b/UI/AppKit/Interface/LadybirdWebViewBridge.cpp
@@ -11,8 +11,6 @@
 #include <LibWeb/Crypto/Crypto.h>
 #include <LibWebView/Application.h>
 #include <LibWebView/UserAgent.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
 
 #import <Interface/Palette.h>
 
diff --git a/UI/AppKit/Interface/Palette.mm b/UI/AppKit/Interface/Palette.mm
index ac516feaded..e13c3dd1056 100644
--- a/UI/AppKit/Interface/Palette.mm
+++ b/UI/AppKit/Interface/Palette.mm
@@ -8,7 +8,6 @@
 #include <LibCore/Resource.h>
 #include <LibGfx/Palette.h>
 #include <LibGfx/SystemTheme.h>
-#include <UI/Utilities.h>
 
 #import <Cocoa/Cocoa.h>
 #import <Interface/Palette.h>
diff --git a/UI/AppKit/Interface/Tab.mm b/UI/AppKit/Interface/Tab.mm
index bb3b4d163b6..da3ba1f5146 100644
--- a/UI/AppKit/Interface/Tab.mm
+++ b/UI/AppKit/Interface/Tab.mm
@@ -11,7 +11,6 @@
 #include <LibGfx/ShareableBitmap.h>
 #include <LibURL/URL.h>
 #include <LibWebView/ViewImplementation.h>
-#include <UI/Utilities.h>
 
 #import <Application/ApplicationDelegate.h>
 #import <Interface/Inspector.h>
diff --git a/UI/AppKit/main.mm b/UI/AppKit/main.mm
index 43767071d87..6b53938a492 100644
--- a/UI/AppKit/main.mm
+++ b/UI/AppKit/main.mm
@@ -10,12 +10,12 @@
 #include <LibWebView/Application.h>
 #include <LibWebView/ChromeProcess.h>
 #include <LibWebView/EventLoop/EventLoopImplementationMacOS.h>
+#include <LibWebView/MachPortServer.h>
 #include <LibWebView/URL.h>
+#include <LibWebView/Utilities.h>
 #include <LibWebView/ViewImplementation.h>
 #include <LibWebView/WebContentClient.h>
 #include <UI/DefaultSettings.h>
-#include <UI/MachPortServer.h>
-#include <UI/Utilities.h>
 
 #import <Application/Application.h>
 #import <Application/ApplicationDelegate.h>
@@ -51,7 +51,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     Core::EventLoopManager::install(*new WebView::EventLoopManagerMacOS);
     [application setupWebViewApplication:arguments newTabPageURL:Browser::default_new_tab_url];
 
-    platform_init();
+    WebView::platform_init();
 
     WebView::ChromeProcess chrome_process;
 
@@ -72,12 +72,13 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         open_urls_from_client(raw_urls, WebView::NewWindow::Yes);
     };
 
-    auto mach_port_server = make<Ladybird::MachPortServer>();
-    set_mach_server_name(mach_port_server->server_port_name());
+    auto mach_port_server = make<WebView::MachPortServer>();
+    WebView::set_mach_server_name(mach_port_server->server_port_name());
+
     mach_port_server->on_receive_child_mach_port = [&](auto pid, auto port) {
         WebView::Application::the().set_process_mach_port(pid, move(port));
     };
-    mach_port_server->on_receive_backing_stores = [](Ladybird::MachPortServer::BackingStoresMessage message) {
+    mach_port_server->on_receive_backing_stores = [](WebView::MachPortServer::BackingStoresMessage message) {
         if (auto view = WebView::WebContentClient::view_for_pid_and_page_id(message.pid, message.page_id); view.has_value())
             view->did_allocate_iosurface_backing_stores(message.front_backing_store_id, move(message.front_backing_store_port), message.back_backing_store_id, move(message.back_backing_store_port));
     };
diff --git a/UI/CMakeLists.txt b/UI/CMakeLists.txt
index d6d5073797e..97d2121139b 100644
--- a/UI/CMakeLists.txt
+++ b/UI/CMakeLists.txt
@@ -1,14 +1,5 @@
 include(cmake/ResourceFiles.cmake)
 
-set(LADYBIRD_SOURCES
-    ${CMAKE_CURRENT_SOURCE_DIR}/HelperProcess.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/Utilities.cpp
-)
-set(LADYBIRD_HEADERS
-    HelperProcess.h
-    Utilities.h
-)
-
 function(create_ladybird_bundle target_name)
     set_target_properties(${target_name} PROPERTIES
         OUTPUT_NAME "Ladybird"
@@ -64,26 +55,13 @@ elseif(ANDROID)
    add_subdirectory(Android)
 else()
     # TODO: Check for other GUI frameworks here when we move them in-tree
-    #       For now, we can export a static library of common files for chromes to link to
-    add_library(ladybird STATIC ${LADYBIRD_SOURCES})
+    return()
 endif()
 
 if (NOT TARGET ladybird)
     message(FATAL_ERROR "UI Framework selection must declare a ladybird target")
 endif()
 
-if (APPLE)
-    target_sources(ladybird PRIVATE MachPortServer.cpp)
-    target_link_libraries(ladybird PRIVATE LibThreading)
-endif()
-
-if (ENABLE_INSTALL_HEADERS)
-    target_sources(ladybird PUBLIC FILE_SET ladybird TYPE HEADERS
-        BASE_DIRS ${LADYBIRD_SOURCE_DIR}
-        FILES ${LADYBIRD_HEADERS}
-    )
-endif()
-
 if (TARGET ladybird_impl)
     set(LADYBIRD_TARGET ladybird_impl PUBLIC)
 else()
@@ -104,12 +82,6 @@ function(set_helper_process_properties)
         set_target_properties(${targets} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "$<TARGET_FILE_DIR:ladybird>")
     else()
         set_target_properties(${targets} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/${IN_BUILD_PREFIX}${CMAKE_INSTALL_LIBEXECDIR}")
-
-        if (NOT CMAKE_INSTALL_LIBEXECDIR STREQUAL "libexec")
-            set_source_files_properties(Utilities.cpp PROPERTIES COMPILE_DEFINITIONS LADYBIRD_LIBEXECDIR="${CMAKE_INSTALL_LIBEXECDIR}")
-            set_source_files_properties(Utilities.cpp TARGET_DIRECTORY ladybird PROPERTIES COMPILE_DEFINITIONS LADYBIRD_LIBEXECDIR="${CMAKE_INSTALL_LIBEXECDIR}")
-            set_source_files_properties(Utilities.cpp TARGET_DIRECTORY ${targets} PROPERTIES COMPILE_DEFINITIONS LADYBIRD_LIBEXECDIR="${CMAKE_INSTALL_LIBEXECDIR}")
-        endif()
     endif()
 endfunction()
 
diff --git a/UI/Headless/Application.cpp b/UI/Headless/Application.cpp
index 55803eccada..b45f2196607 100644
--- a/UI/Headless/Application.cpp
+++ b/UI/Headless/Application.cpp
@@ -7,16 +7,16 @@
 #include <LibCore/AnonymousBuffer.h>
 #include <LibCore/ArgsParser.h>
 #include <LibCore/System.h>
+#include <LibWebView/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <UI/Headless/Application.h>
 #include <UI/Headless/Fixture.h>
 #include <UI/Headless/HeadlessWebView.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
 
 namespace Ladybird {
 
 Application::Application(Badge<WebView::Application>, Main::Arguments&)
-    : resources_folder(s_ladybird_resource_root)
+    : resources_folder(WebView::s_ladybird_resource_root)
     , test_concurrency(Core::System::hardware_concurrency())
     , python_executable_path("python3")
 
@@ -73,11 +73,11 @@ void Application::create_platform_options(WebView::ChromeOptions& chrome_options
 
 ErrorOr<void> Application::launch_services()
 {
-    auto request_server_paths = TRY(get_paths_for_helper_process("RequestServer"sv));
-    m_request_client = TRY(launch_request_server_process(request_server_paths, resources_folder));
+    auto request_server_paths = TRY(WebView::get_paths_for_helper_process("RequestServer"sv));
+    m_request_client = TRY(WebView::launch_request_server_process(request_server_paths, resources_folder));
 
-    auto image_decoder_paths = TRY(get_paths_for_helper_process("ImageDecoder"sv));
-    m_image_decoder_client = TRY(launch_image_decoder_process(image_decoder_paths));
+    auto image_decoder_paths = TRY(WebView::get_paths_for_helper_process("ImageDecoder"sv));
+    m_image_decoder_client = TRY(WebView::launch_image_decoder_process(image_decoder_paths));
 
     return {};
 }
diff --git a/UI/Headless/HeadlessWebView.cpp b/UI/Headless/HeadlessWebView.cpp
index 72a5ef9a0f8..c4996de5efb 100644
--- a/UI/Headless/HeadlessWebView.cpp
+++ b/UI/Headless/HeadlessWebView.cpp
@@ -7,10 +7,10 @@
 #include <LibGfx/Bitmap.h>
 #include <LibGfx/ShareableBitmap.h>
 #include <LibWeb/Crypto/Crypto.h>
+#include <LibWebView/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <UI/Headless/Application.h>
 #include <UI/Headless/HeadlessWebView.h>
-#include <UI/HelperProcess.h>
-#include <UI/Utilities.h>
 
 namespace Ladybird {
 
@@ -32,8 +32,8 @@ HeadlessWebView::HeadlessWebView(Core::AnonymousBuffer theme, Gfx::IntSize viewp
     };
 
     on_request_worker_agent = []() {
-        auto web_worker_paths = MUST(get_paths_for_helper_process("WebWorker"sv));
-        auto worker_client = MUST(launch_web_worker_process(web_worker_paths, Application::request_client()));
+        auto web_worker_paths = MUST(WebView::get_paths_for_helper_process("WebWorker"sv));
+        auto worker_client = MUST(WebView::launch_web_worker_process(web_worker_paths, Application::request_client()));
 
         return worker_client->clone_transport();
     };
@@ -143,11 +143,11 @@ NonnullOwnPtr<HeadlessWebView> HeadlessWebView::create_child(HeadlessWebView con
 void HeadlessWebView::initialize_client(CreateNewClient create_new_client)
 {
     if (create_new_client == CreateNewClient::Yes) {
-        auto request_server_socket = connect_new_request_server_client(Application::request_client()).release_value_but_fixme_should_propagate_errors();
-        auto image_decoder_socket = connect_new_image_decoder_client(Application::image_decoder_client()).release_value_but_fixme_should_propagate_errors();
+        auto request_server_socket = WebView::connect_new_request_server_client(Application::request_client()).release_value_but_fixme_should_propagate_errors();
+        auto image_decoder_socket = WebView::connect_new_image_decoder_client(Application::image_decoder_client()).release_value_but_fixme_should_propagate_errors();
 
-        auto web_content_paths = get_paths_for_helper_process("WebContent"sv).release_value_but_fixme_should_propagate_errors();
-        m_client_state.client = launch_web_content_process(*this, web_content_paths, move(image_decoder_socket), move(request_server_socket)).release_value_but_fixme_should_propagate_errors();
+        auto web_content_paths = WebView::get_paths_for_helper_process("WebContent"sv).release_value_but_fixme_should_propagate_errors();
+        m_client_state.client = WebView::launch_web_content_process(*this, web_content_paths, move(image_decoder_socket), move(request_server_socket)).release_value_but_fixme_should_propagate_errors();
     } else {
         m_client_state.client->register_view(m_client_state.page_index, *this);
     }
diff --git a/UI/Headless/main.cpp b/UI/Headless/main.cpp
index 823bad74ca6..5ee648c2ab1 100644
--- a/UI/Headless/main.cpp
+++ b/UI/Headless/main.cpp
@@ -21,10 +21,10 @@
 #include <LibGfx/ImageFormats/PNGWriter.h>
 #include <LibGfx/SystemTheme.h>
 #include <LibURL/URL.h>
+#include <LibWebView/Utilities.h>
 #include <UI/Headless/Application.h>
 #include <UI/Headless/HeadlessWebView.h>
 #include <UI/Headless/Test.h>
-#include <UI/Utilities.h>
 
 static ErrorOr<NonnullRefPtr<Core::Timer>> load_page_for_screenshot_and_exit(Core::EventLoop& event_loop, Ladybird::HeadlessWebView& view, URL::URL const& url, int screenshot_timeout)
 {
@@ -61,7 +61,7 @@ static ErrorOr<NonnullRefPtr<Core::Timer>> load_page_for_screenshot_and_exit(Cor
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    platform_init();
+    WebView::platform_init();
 
     auto app = Ladybird::Application::create(arguments, "about:newtab"sv);
     TRY(app->launch_services());
diff --git a/UI/Qt/Application.cpp b/UI/Qt/Application.cpp
index 2e9fcf48924..9ffa71e9870 100644
--- a/UI/Qt/Application.cpp
+++ b/UI/Qt/Application.cpp
@@ -5,13 +5,13 @@
  */
 
 #include <LibCore/ArgsParser.h>
+#include <LibWebView/HelperProcess.h>
 #include <LibWebView/URL.h>
-#include <UI/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <UI/Qt/Application.h>
 #include <UI/Qt/Settings.h>
 #include <UI/Qt/StringUtils.h>
 #include <UI/Qt/TaskManagerWindow.h>
-#include <UI/Utilities.h>
 
 #include <QFileDialog>
 #include <QFileOpenEvent>
@@ -56,8 +56,8 @@ bool Application::event(QEvent* event)
 
 static ErrorOr<NonnullRefPtr<ImageDecoderClient::Client>> launch_new_image_decoder()
 {
-    auto paths = TRY(get_paths_for_helper_process("ImageDecoder"sv));
-    return launch_image_decoder_process(paths);
+    auto paths = TRY(WebView::get_paths_for_helper_process("ImageDecoder"sv));
+    return WebView::launch_image_decoder_process(paths);
 }
 
 ErrorOr<void> Application::initialize_image_decoder()
diff --git a/UI/Qt/BrowserWindow.cpp b/UI/Qt/BrowserWindow.cpp
index 0d1d3d7a25d..5518d8221be 100644
--- a/UI/Qt/BrowserWindow.cpp
+++ b/UI/Qt/BrowserWindow.cpp
@@ -25,7 +25,6 @@
 #include <UI/Qt/TabBar.h>
 #include <UI/Qt/TaskManagerWindow.h>
 #include <UI/Qt/WebContentView.h>
-#include <UI/Utilities.h>
 
 #include <QAction>
 #include <QActionGroup>
diff --git a/UI/Qt/WebContentView.cpp b/UI/Qt/WebContentView.cpp
index 47a77e38a5b..20b733a3d3c 100644
--- a/UI/Qt/WebContentView.cpp
+++ b/UI/Qt/WebContentView.cpp
@@ -24,12 +24,12 @@
 #include <LibWeb/UIEvents/KeyCode.h>
 #include <LibWeb/UIEvents/MouseButton.h>
 #include <LibWebView/Application.h>
+#include <LibWebView/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <LibWebView/WebContentClient.h>
-#include <UI/HelperProcess.h>
 #include <UI/Qt/Application.h>
 #include <UI/Qt/StringUtils.h>
 #include <UI/Qt/WebContentView.h>
-#include <UI/Utilities.h>
 
 #include <QApplication>
 #include <QCursor>
@@ -129,7 +129,7 @@ WebContentView::WebContentView(QWidget* window, RefPtr<WebView::WebContentClient
 
     on_request_worker_agent = [&]() {
         auto& request_server_client = static_cast<Ladybird::Application*>(QApplication::instance())->request_server_client;
-        auto worker_client = MUST(launch_web_worker_process(MUST(get_paths_for_helper_process("WebWorker"sv)), *request_server_client));
+        auto worker_client = MUST(WebView::launch_web_worker_process(MUST(WebView::get_paths_for_helper_process("WebWorker"sv)), *request_server_client));
         return worker_client->clone_transport();
     };
 
@@ -632,12 +632,12 @@ void WebContentView::initialize_client(WebView::ViewImplementation::CreateNewCli
         auto& request_server_client = static_cast<Ladybird::Application*>(QApplication::instance())->request_server_client;
 
         // FIXME: Fail to open the tab, rather than crashing the whole application if this fails
-        auto request_server_socket = connect_new_request_server_client(*request_server_client).release_value_but_fixme_should_propagate_errors();
+        auto request_server_socket = WebView::connect_new_request_server_client(*request_server_client).release_value_but_fixme_should_propagate_errors();
 
         auto image_decoder = static_cast<Ladybird::Application*>(QApplication::instance())->image_decoder_client();
-        auto image_decoder_socket = connect_new_image_decoder_client(*image_decoder).release_value_but_fixme_should_propagate_errors();
+        auto image_decoder_socket = WebView::connect_new_image_decoder_client(*image_decoder).release_value_but_fixme_should_propagate_errors();
 
-        auto candidate_web_content_paths = get_paths_for_helper_process("WebContent"sv).release_value_but_fixme_should_propagate_errors();
+        auto candidate_web_content_paths = WebView::get_paths_for_helper_process("WebContent"sv).release_value_but_fixme_should_propagate_errors();
         auto new_client = launch_web_content_process(*this, candidate_web_content_paths, AK::move(image_decoder_socket), AK::move(request_server_socket)).release_value_but_fixme_should_propagate_errors();
 
         m_client_state.client = new_client;
diff --git a/UI/Qt/main.cpp b/UI/Qt/main.cpp
index f9204f7d6b8..738c80db90a 100644
--- a/UI/Qt/main.cpp
+++ b/UI/Qt/main.cpp
@@ -13,17 +13,17 @@
 #include <LibWebView/Application.h>
 #include <LibWebView/ChromeProcess.h>
 #include <LibWebView/EventLoop/EventLoopImplementationQt.h>
+#include <LibWebView/HelperProcess.h>
 #include <LibWebView/ProcessManager.h>
 #include <LibWebView/URL.h>
-#include <UI/HelperProcess.h>
+#include <LibWebView/Utilities.h>
 #include <UI/Qt/Application.h>
 #include <UI/Qt/BrowserWindow.h>
 #include <UI/Qt/Settings.h>
 #include <UI/Qt/WebContentView.h>
-#include <UI/Utilities.h>
 
 #if defined(AK_OS_MACOS)
-#    include <UI/MachPortServer.h>
+#    include <LibWebView/MachPortServer.h>
 #endif
 
 namespace Ladybird {
@@ -71,7 +71,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     static_cast<WebView::EventLoopImplementationQt&>(Core::EventLoop::current().impl()).set_main_loop();
     TRY(handle_attached_debugger());
 
-    platform_init();
+    WebView::platform_init();
 
     WebView::ChromeProcess chrome_process;
 
@@ -100,22 +100,23 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     };
 
 #if defined(AK_OS_MACOS)
-    auto mach_port_server = make<Ladybird::MachPortServer>();
-    set_mach_server_name(mach_port_server->server_port_name());
+    auto mach_port_server = make<WebView::MachPortServer>();
+    WebView::set_mach_server_name(mach_port_server->server_port_name());
+
     mach_port_server->on_receive_child_mach_port = [&app](auto pid, auto port) {
         app->set_process_mach_port(pid, move(port));
     };
-    mach_port_server->on_receive_backing_stores = [](Ladybird::MachPortServer::BackingStoresMessage message) {
+    mach_port_server->on_receive_backing_stores = [](WebView::MachPortServer::BackingStoresMessage message) {
         if (auto view = WebView::WebContentClient::view_for_pid_and_page_id(message.pid, message.page_id); view.has_value())
             view->did_allocate_iosurface_backing_stores(message.front_backing_store_id, move(message.front_backing_store_port), message.back_backing_store_id, move(message.back_backing_store_port));
     };
 #endif
 
-    copy_default_config_files(Ladybird::Settings::the()->directory());
+    WebView::copy_default_config_files(Ladybird::Settings::the()->directory());
 
     // FIXME: Create an abstraction to re-spawn the RequestServer and re-hook up its client hooks to each tab on crash
-    auto request_server_paths = TRY(get_paths_for_helper_process("RequestServer"sv));
-    auto requests_client = TRY(launch_request_server_process(request_server_paths, s_ladybird_resource_root));
+    auto request_server_paths = TRY(WebView::get_paths_for_helper_process("RequestServer"sv));
+    auto requests_client = TRY(WebView::launch_request_server_process(request_server_paths, WebView::s_ladybird_resource_root));
     app->request_server_client = move(requests_client);
 
     TRY(app->initialize_image_decoder());