LibWeb+Browser: Make ad blocking work in the multi-process world

We now send the list of content filters over to new WebContent processes
after creating an OutOfProcessWebView. :^)

Userland/Applications/Browser/Browser.h

@@ -12,5 +12,6 @@ namespace Browser {
 
 extern String g_home_url;
 extern String g_search_engine;
+extern Vector<String> g_content_filters;
 
 }

Userland/Applications/Browser/Tab.cpp

@@ -87,6 +87,7 @@ Tab::Tab(BrowserWindow& window)
     auto& webview_container = *find_descendant_of_type_named<GUI::Widget>("webview_container");
 
     m_web_content_view = webview_container.add<Web::OutOfProcessWebView>();
+    m_web_content_view->set_content_filters(g_content_filters);
 
     auto& go_back_button = toolbar.add_action(window.go_back_action());
     go_back_button.on_context_menu_request = [this](auto& context_menu_event) {

Userland/Applications/Browser/main.cpp

@@ -19,9 +19,6 @@
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/TabWidget.h>
-#include <LibWeb/HTML/WebSocket.h>
-#include <LibWeb/Loader/ContentFilter.h>
-#include <LibWeb/Loader/ResourceLoader.h>
 #include <stdio.h>
 #include <unistd.h>
 
@@ -29,6 +26,7 @@ namespace Browser {
 
 String g_search_engine;
 String g_home_url;
+Vector<String> g_content_filters;
 
 }
 
@@ -107,7 +105,7 @@ int main(int argc, char** argv)
             auto line = ad_filter_list.read_line();
             if (line.is_empty())
                 continue;
-            Web::ContentFilter::the().add_pattern(line);
+            Browser::g_content_filters.append(move(line));
         }
     }
 

Userland/Libraries/LibWeb/OutOfProcessWebView.cpp

@@ -472,4 +472,9 @@ String OutOfProcessWebView::dump_layout_tree()
     return client().dump_layout_tree();
 }
 
+void OutOfProcessWebView::set_content_filters(Vector<String> filters)
+{
+    client().async_set_content_filters(filters);
+}
+
 }

Userland/Libraries/LibWeb/OutOfProcessWebView.h

@@ -51,6 +51,8 @@ public:
 
     String dump_layout_tree();
 
+    void set_content_filters(Vector<String>);
+
     void notify_server_did_layout(Badge<WebContentClient>, const Gfx::IntSize& content_size);
     void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id);
     void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, const Gfx::IntRect&);

Userland/Services/WebContent/ClientConnection.cpp

@@ -19,6 +19,7 @@
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/Layout/InitialContainingBlock.h>
+#include <LibWeb/Loader/ContentFilter.h>
 #include <LibWeb/Loader/ResourceLoader.h>
 #include <LibWeb/Page/BrowsingContext.h>
 #include <WebContent/ClientConnection.h>
@@ -338,4 +339,10 @@ Messages::WebContentServer::DumpLayoutTreeResponse ClientConnection::dump_layout
     return builder.to_string();
 }
 
+void ClientConnection::set_content_filters(Vector<String> const& filters)
+{
+    for (auto& filter : filters)
+        Web::ContentFilter::the().add_pattern(filter);
+}
+
 }

Userland/Services/WebContent/ClientConnection.h

@@ -55,6 +55,7 @@ private:
     virtual Messages::WebContentServer::InspectDomNodeResponse inspect_dom_node(i32) override;
     virtual Messages::WebContentServer::GetHoveredNodeIdResponse get_hovered_node_id() override;
     virtual Messages::WebContentServer::DumpLayoutTreeResponse dump_layout_tree() override;
+    virtual void set_content_filters(Vector<String> const&) override;
 
     virtual void js_console_input(String const&) override;
     virtual void run_javascript(String const&) override;

Userland/Services/WebContent/WebContentServer.ipc

@@ -38,4 +38,7 @@ endpoint WebContentServer
 
     get_selected_text() => (String selection)
     select_all() =|
+
+    set_content_filters(Vector<String> filters) =|
+
 }