Remove offscreen compositor contexts.

content/renderer/render_thread_impl.h

 // Copyright (c) 2012 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_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 272 matching lines @@
   // on the renderer's main thread.
   scoped_refptr<base::MessageLoopProxy> GetMediaThreadMessageLoopProxy();
 
   // Causes the idle handler to skip sending idle notifications
   // on the two next scheduled calls, so idle notifications are
   // not sent for at least one notification delay.
   void PostponeIdleNotification();
 
   scoped_refptr<media::GpuVideoAcceleratorFactories> GetGpuFactories();
 
-  scoped_refptr<cc::ContextProvider> OffscreenCompositorContextProvider();
   scoped_refptr<webkit::gpu::ContextProviderWebContext>
       SharedMainThreadContextProvider();
 
   // AudioRendererMixerManager instance which manages renderer side mixer
   // instances shared based on configured audio parameters.  Lazily created on
   // first call.
   AudioRendererMixerManager* GetAudioRendererMixerManager();
 
   // AudioHardwareConfig contains audio hardware configuration for
   // renderer side clients.  Creation requires a synchronous IPC call so it is
@@ skipping 200 matching lines @@
 
   // Will point to appropriate MessageLoopProxy after initialization,
   // regardless of whether |compositor_thread_| is overriden.
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy_;
 
   // May be null if unused by the |input_handler_manager_|.
   scoped_refptr<InputEventFilter> input_event_filter_;
   scoped_ptr<InputHandlerManager> input_handler_manager_;
   scoped_refptr<IPC::ForwardingMessageFilter> compositor_output_surface_filter_;
 
-  scoped_refptr<ContextProviderCommandBuffer> offscreen_compositor_contexts_;
   scoped_refptr<ContextProviderCommandBuffer> shared_main_thread_contexts_;
 
   ObserverList<RenderProcessObserver> observers_;
 
   scoped_refptr<ContextProviderCommandBuffer> gpu_va_context_provider_;
 
   scoped_ptr<AudioRendererMixerManager> audio_renderer_mixer_manager_;
   scoped_ptr<media::AudioHardwareConfig> audio_hardware_config_;
 
   HistogramCustomizer histogram_customizer_;
@@ skipping 16 matching lines @@
   bool is_low_res_tiling_enabled_;
   bool is_lcd_text_enabled_;
   bool is_map_image_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_