Added the Vulkan Context Provider implementation.

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 12 matching lines @@
 
 namespace base {
 class SimpleThread;
 class Thread;
 }
 
 namespace cc {
 class SingleThreadTaskGraphRunner;
 class SoftwareOutputDevice;
 class SurfaceManager;
+class VulkanInProcessContextProvider;
 }
 
 namespace content {
 class BrowserCompositorOutputSurface;
 class CompositorSwapClient;
 class ContextProviderCommandBuffer;
 class OutputDeviceBacking;
 class ReflectorImpl;
 class WebGraphicsContext3DCommandBufferImpl;
 
@@ skipping 45 matching lines @@
   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 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_;
   std::unique_ptr<GLHelper> gl_helper_;
   base::ObserverList<ImageTransportFactoryObserver> observer_list_;
   std::unique_ptr<cc::SurfaceManager> surface_manager_;
   uint32_t next_surface_id_namespace_;
   std::unique_ptr<cc::SingleThreadTaskGraphRunner> task_graph_runner_;
   scoped_refptr<ContextProviderCommandBuffer> shared_worker_context_provider_;
 
+  bool shared_vulkan_context_provider_initialized_ = false;
+  scoped_refptr<cc::VulkanInProcessContextProvider>
+      shared_vulkan_context_provider_;
+
 #if defined(OS_WIN)
   std::unique_ptr<OutputDeviceBacking> software_backing_;
 #endif
 
   // The contents of this map and its methods may only be used on the compositor
   // thread.
   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_