Ladybird: Stub out new WebView::ViewImplementation APIs

These were added for WebDriver, which doesn't have a Ladybird
implementation yet.

Ladybird/WebContentView.cpp

@@ -909,6 +909,30 @@ void WebContentView::notify_server_did_update_resource_count(i32 count_waiting)
     (void)count_waiting;
 }
 
+void WebContentView::notify_server_did_request_restore_window()
+{
+}
+
+Gfx::IntPoint WebContentView::notify_server_did_request_reposition_window(Gfx::IntPoint const&)
+{
+    return {};
+}
+
+Gfx::IntSize WebContentView::notify_server_did_request_resize_window(Gfx::IntSize const&)
+{
+    return {};
+}
+
+Gfx::IntRect WebContentView::notify_server_did_request_maximize_window()
+{
+    return {};
+}
+
+Gfx::IntRect WebContentView::notify_server_did_request_minimize_window()
+{
+    return {};
+}
+
 void WebContentView::notify_server_did_request_file(Badge<WebContentClient>, String const& path, i32 request_id)
 {
     auto file = Core::File::open(path, Core::OpenMode::ReadOnly);

Ladybird/WebContentView.h

@@ -138,6 +138,11 @@ public:
     virtual String notify_server_did_request_cookie(Badge<WebContentClient>, const AK::URL& url, Web::Cookie::Source source) override;
     virtual void notify_server_did_set_cookie(Badge<WebContentClient>, const AK::URL& url, Web::Cookie::ParsedCookie const& cookie, Web::Cookie::Source source) override;
     virtual void notify_server_did_update_resource_count(i32 count_waiting) override;
+    virtual void notify_server_did_request_restore_window() override;
+    virtual Gfx::IntPoint notify_server_did_request_reposition_window(Gfx::IntPoint const&) override;
+    virtual Gfx::IntSize notify_server_did_request_resize_window(Gfx::IntSize const&) override;
+    virtual Gfx::IntRect notify_server_did_request_maximize_window() override;
+    virtual Gfx::IntRect notify_server_did_request_minimize_window() override;
     virtual void notify_server_did_request_file(Badge<WebContentClient>, String const& path, i32) override;
 
 signals: