gpu: Compositor management of GpuMemoryBuffer instances.

content/common/child_process_host_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_COMMON_CHILD_PROCESS_HOST_IMPL_H_
 #define CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "build/build_config.h"
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string16.h"
 #include "content/public/common/child_process_host.h"
 #include "ipc/ipc_listener.h"
+#include "ui/gfx/gpu_memory_buffer.h"
 
 namespace base {
 class FilePath;
 }
 
-namespace gfx {
-struct GpuMemoryBufferHandle;
-}
-
 namespace IPC {
 class MessageFilter;
 }
 
 namespace content {
 class ChildProcessHostDelegate;
 
 // Provides common functionality for hosting a child process and processing IPC
 // messages between the host and the child process. Users are responsible
 // for the actual launching and terminating of the child processes.
@@ skipping 38 matching lines @@
   virtual void OnChannelConnected(int32 peer_pid) override;
   virtual void OnChannelError() override;
   virtual void OnBadMessageReceived(const IPC::Message& message) override;
 
   // Message handlers:
   void OnShutdownRequest();
   void OnAllocateSharedMemory(uint32 buffer_size,
                               base::SharedMemoryHandle* handle);
   void OnAllocateGpuMemoryBuffer(uint32 width,
                                  uint32 height,
-                                 uint32 internalformat,
-                                 uint32 usage,
-                                 gfx::GpuMemoryBufferHandle* handle);
+                                 gfx::GpuMemoryBuffer::Format format,
+                                 gfx::GpuMemoryBuffer::Usage usage,
+                                 IPC::Message* reply);
+  void OnDeletedGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
+                                const gfx::GpuMemoryBufferId& id);
+
+  void GpuMemoryBufferAllocated(IPC::Message* reply,
+                                const gfx::GpuMemoryBufferHandle& handle);
 
   ChildProcessHostDelegate* delegate_;
   base::ProcessHandle peer_handle_;
   bool opening_channel_;  // True while we're waiting the channel to be opened.
   scoped_ptr<IPC::Channel> channel_;
   std::string channel_id_;
 
   // Holds all the IPC message filters.  Since this object lives on the IO
   // thread, we don't have a IPC::ChannelProxy and so we manage filters
   // manually.
   std::vector<scoped_refptr<IPC::MessageFilter> > filters_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_CHILD_PROCESS_HOST_IMPL_H_