Add support to the UI Service to run it inside the browser's process.

services/ui/ws/window_server.h

Index: services/ui/ws/window_server.h
diff --git a/services/ui/ws/window_server.h b/services/ui/ws/window_server.h
index 090948a2a5f43f98198c51e005001dcef3320dc9..2f6165269705f0f4b044e5a7ef21e85b35a8096a 100644
--- a/services/ui/ws/window_server.h
+++ b/services/ui/ws/window_server.h
@@ -29,6 +29,7 @@
 #include "services/ui/ws/window_manager_window_tree_factory_set.h"
 
 namespace ui {
+
 namespace ws {
 
 class AccessPolicy;
@@ -36,6 +37,7 @@ class Display;
 class DisplayManager;
 class GpuHost;
 class ServerWindow;
+class ThreadedImageCursorsFactory;
 class UserActivityMonitor;
 class WindowManagerState;
 class WindowServerDelegate;
@@ -53,7 +55,7 @@ class WindowServer : public ServerWindowDelegate,
                      public UserIdTrackerObserver,
                      public cc::mojom::FrameSinkManagerClient {
  public:
-  explicit WindowServer(WindowServerDelegate* delegate);

[sky, 2017/07/13 17:14:58]

Keep the explicit?

[mfomitchev, 2017/07/13 17:53:06]

Done.

+  WindowServer(WindowServerDelegate* delegate);
   ~WindowServer() override;
 
   WindowServerDelegate* delegate() { return delegate_; }
@@ -81,6 +83,8 @@ class WindowServer : public ServerWindowDelegate,
 
   void SetGpuHost(std::unique_ptr<GpuHost> gpu_host);
 
+  ThreadedImageCursorsFactory* GetThreadedImageCursorsFactory();
+
   // Creates a new ServerWindow. The return value is owned by the caller, but
   // must be destroyed before WindowServer.
   ServerWindow* CreateServerWindow(