gpu: Introduce GpuChannelEstablishFactory.

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 <stdint.h>
 
 #include <map>
@@ skipping 72 matching lines @@
   void SetCompositorSuspendedForRecycle(ui::Compositor* compositor,
                                         bool suspended) override;
 #endif
 
  private:
   struct PerCompositorData;
 
   PerCompositorData* CreatePerCompositorData(ui::Compositor* compositor);
   std::unique_ptr<cc::SoftwareOutputDevice> CreateSoftwareOutputDevice(
       ui::Compositor* compositor);
-  void EstablishedGpuChannel(base::WeakPtr<ui::Compositor> compositor,
-                             bool create_gpu_output_surface,
-                             int num_attempts);
+  void EstablishedGpuChannel(
+      base::WeakPtr<ui::Compositor> compositor,
+      bool create_gpu_output_surface,
+      int num_attempts,
+      scoped_refptr<gpu::GpuChannelHost> established_channel_host);
 
   void OnLostMainThreadSharedContextInsideCallback();
   void OnLostMainThreadSharedContext();
 
   scoped_refptr<cc::VulkanInProcessContextProvider>
   SharedVulkanContextProvider();
 
   typedef std::map<ui::Compositor*, PerCompositorData*> PerCompositorDataMap;
   PerCompositorDataMap per_compositor_data_;
   scoped_refptr<ContextProviderCommandBuffer> shared_main_thread_contexts_;
@@ skipping 12 matching lines @@
   std::unique_ptr<OutputDeviceBacking> software_backing_;
 #endif
   base::WeakPtrFactory<GpuProcessTransportFactory> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessTransportFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_GPU_PROCESS_TRANSPORT_FACTORY_H_