Reland of placing allocate bitmap IPC messages with a new Mojo interface.

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 92 matching lines @@
 
 class AppCacheDispatcher;
 class AecDumpMessageFilter;
 class AudioInputMessageFilter;
 class AudioMessageFilter;
 class AudioRendererMixerManager;
 class BlobMessageFilter;
 class BrowserPluginManager;
 class CacheStorageDispatcher;
 class ChildGpuMemoryBufferManager;
+class ChildSharedBitmapManager;
 class CompositorForwardingMessageFilter;
 class ContextProviderCommandBuffer;
 class DBMessageFilter;
 class DevToolsAgentFilter;
 class DomStorageDispatcher;
 class EmbeddedWorkerDispatcher;
 class FrameSwapMessageQueue;
 class IndexedDBDispatcher;
 class InputHandlerManager;
 class MemoryObserver;
@@ skipping 222 matching lines @@
   // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
   P2PSocketDispatcher* p2p_socket_dispatcher() {
     return p2p_socket_dispatcher_.get();
   }
 #endif
 
   VideoCaptureImplManager* video_capture_impl_manager() const {
     return vc_manager_.get();
   }
 
+  ChildSharedBitmapManager* shared_bitmap_manager() const {
+    DCHECK(shared_bitmap_manager_);
+    return shared_bitmap_manager_.get();
+  }
+
   mojom::RenderFrameMessageFilter* render_frame_message_filter();
   mojom::RenderMessageFilter* render_message_filter();
   const scoped_refptr<mojom::ThreadSafeRenderMessageFilterAssociatedPtr>&
   thread_safe_render_message_filter();
 
   // Get the GPU channel. Returns NULL if the channel is not established or
   // has been lost.
   gpu::GpuChannelHost* GetGpuChannel();
 
   // Returns a SingleThreadTaskRunner instance corresponding to the message loop
@@ skipping 237 matching lines @@
   // diagnostic audio data for WebRTC stored locally when enabled by the user in
   // chrome://webrtc-internals.
   scoped_refptr<AecDumpMessageFilter> aec_dump_message_filter_;
 #endif
 
   // Used on the render thread.
   std::unique_ptr<VideoCaptureImplManager> vc_manager_;
   std::unique_ptr<ThreadSafeAssociatedInterfacePtrProvider>
       thread_safe_associated_interface_ptr_provider_;
 
+  std::unique_ptr<ChildSharedBitmapManager> shared_bitmap_manager_;
+
   // The count of RenderWidgets running through this thread.
   int widget_count_;
 
   // The count of hidden RenderWidgets running through this thread.
   int hidden_widget_count_;
 
   // The current value of the idle notification timer delay.
   int64_t idle_notification_delay_in_ms_;
 
   // The number of idle handler calls that skip sending idle notifications.
@@ skipping 138 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_