Remove offscreen compositor contexts.

content/browser/android/in_process/synchronous_compositor_factory_impl.h

Index: content/browser/android/in_process/synchronous_compositor_factory_impl.h
diff --git a/content/browser/android/in_process/synchronous_compositor_factory_impl.h b/content/browser/android/in_process/synchronous_compositor_factory_impl.h
index 6ea232825e1aad5a19022d1b1f0d8f12d01bdb97..d9a287ac533512baa3f99ec27af4814f940f8bc5 100644
--- a/content/browser/android/in_process/synchronous_compositor_factory_impl.h
+++ b/content/browser/android/in_process/synchronous_compositor_factory_impl.h
@@ -41,12 +41,9 @@ class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
   virtual InputHandlerManagerClient* GetInputHandlerManagerClient() OVERRIDE;
   virtual scoped_refptr<webkit::gpu::ContextProviderWebContext>
       GetSharedOffscreenContextProviderForMainThread() OVERRIDE;
-  // This is called on both renderer main thread (offscreen context creation
-  // path shared between cross-process and in-process platforms) and renderer
-  // compositor impl thread (InitializeHwDraw) in order to support Android
-  // WebView synchronously enable and disable hardware mode multiple times in
-  // the same task. This is ok because in-process WGC3D creation may happen on
-  // any thread and is lightweight.
+  // This is called on the renderer compositor impl thread (InitializeHwDraw) in
+  // order to support Android WebView synchronously enable and disable hardware
+  // mode multiple times in the same task.
   virtual scoped_refptr<cc::ContextProvider>
       GetOffscreenContextProviderForCompositorThread() OVERRIDE;

[boliu, 2014/04/24 00:28:57]

Can remove virtual and OVERRIDE, otherwise clang will complain.

[danakj, 2014/04/24 15:01:32]

This method is still in the SynchronousCompositorFactory interface, so I think
it needs to stay.

[danakj, 2014/04/24 15:02:42]

But it looks like I could remoev it from the interface

[danakj, 2014/04/24 15:04:07]

This was me looking at my file without refreshing it after switching branches.

Done!

   virtual scoped_refptr<StreamTextureFactory> CreateStreamTextureFactory(
@@ -74,9 +71,6 @@ class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
 
   SynchronousInputEventFilter synchronous_input_event_filter_;
 
-  // Only guards construction and destruction of
-  // |offscreen_context_for_compositor_thread_|, not usage.
-  base::Lock offscreen_context_for_compositor_thread_lock_;
   scoped_refptr<webkit::gpu::ContextProviderWebContext>
       offscreen_context_for_main_thread_;
   // This is a pointer to the context owned by