Use ContextProvider subclass to provide WGC3D pointers

content/browser/android/in_process/synchronous_compositor_factory_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_
 
 #include "base/synchronization/lock.h"
 #include "content/browser/android/in_process/synchronous_input_event_filter.h"
 #include "content/renderer/android/synchronous_compositor_factory.h"
 #include "content/renderer/media/android/stream_texture_factory_android_synchronous_impl.h"
+#include "webkit/common/gpu/context_provider_web_context.h"
 
 namespace gpu {
 class GLInProcessContext;
 }
 
 namespace webkit {
 namespace gpu {
 class WebGraphicsContext3DInProcessCommandBufferImpl;
 }
 }
 
 namespace content {
 
 class SynchronousCompositorFactoryImpl : public SynchronousCompositorFactory {
  public:
   SynchronousCompositorFactoryImpl();
   virtual ~SynchronousCompositorFactoryImpl();
 
   // SynchronousCompositorFactory
   virtual scoped_refptr<base::MessageLoopProxy> GetCompositorMessageLoop()
       OVERRIDE;
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(int routing_id)
       OVERRIDE;
   virtual InputHandlerManagerClient* GetInputHandlerManagerClient() OVERRIDE;
-  virtual scoped_refptr<cc::ContextProvider>
+  virtual scoped_refptr<webkit::gpu::ContextProviderWebContext>
       GetOffscreenContextProviderForMainThread() 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.
   virtual scoped_refptr<cc::ContextProvider>
       GetOffscreenContextProviderForCompositorThread() OVERRIDE;
   virtual scoped_ptr<StreamTextureFactory> CreateStreamTextureFactory(
@@ skipping 12 matching lines @@
   scoped_refptr<StreamTextureFactorySynchronousImpl::ContextProvider>
       TryCreateStreamTextureFactory();
   scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
       CreateOffscreenContext();
 
   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<cc::ContextProvider> offscreen_context_for_main_thread_;
+  scoped_refptr<webkit::gpu::ContextProviderWebContext>
+      offscreen_context_for_main_thread_;
   // This is a pointer to the context owned by
   // |offscreen_context_for_main_thread_|.
   gpu::GLInProcessContext* wrapped_gl_context_for_main_thread_;
   scoped_refptr<cc::ContextProvider> offscreen_context_for_compositor_thread_;
 
   // |num_hardware_compositor_lock_| is updated on UI thread only but can be
   // read on renderer main thread.
   base::Lock num_hardware_compositor_lock_;
   unsigned int num_hardware_compositors_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_FACTORY_IMPL_H_