Make channel preemption not require view contexts for hookup

content/browser/compositor/gpu_process_transport_factory.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_COMPOSITOR_GPU_PROCESS_TRANSPORT_FACTORY_H_
 #define CONTENT_BROWSER_COMPOSITOR_GPU_PROCESS_TRANSPORT_FACTORY_H_
 
 #include <map>
 
 #include "base/id_map.h"
@@ skipping 46 matching lines @@
                                gfx::BufferUsage usage) override;
   cc::SharedBitmapManager* GetSharedBitmapManager() override;
   gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager() override;
   cc::TaskGraphRunner* GetTaskGraphRunner() override;
   scoped_ptr<cc::SurfaceIdAllocator> CreateSurfaceIdAllocator() override;
   void ResizeDisplay(ui::Compositor* compositor,
                      const gfx::Size& size) override;
 
   // ImageTransportFactory implementation.
   ui::ContextFactory* GetContextFactory() override;
-  gfx::GLSurfaceHandle GetSharedSurfaceHandle() override;
   cc::SurfaceManager* GetSurfaceManager() override;
   GLHelper* GetGLHelper() override;
   void AddObserver(ImageTransportFactoryObserver* observer) override;
   void RemoveObserver(ImageTransportFactoryObserver* observer) override;
 #if defined(OS_MACOSX)
   void OnSurfaceDisplayed(int surface_id) override;
   void SetCompositorSuspendedForRecycle(ui::Compositor* compositor,
                                         bool suspended) override;
   bool SurfaceShouldNotShowFramesAfterSuspendForRecycle(
       int surface_id) const override;
@@ skipping 35 matching lines @@
   IDMap<BrowserCompositorOutputSurface> output_surface_map_;
 
   base::WeakPtrFactory<GpuProcessTransportFactory> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessTransportFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_GPU_PROCESS_TRANSPORT_FACTORY_H_