content: Remove some unused code.

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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/shared_memory.h"
 #include "base/memory/singleton.h"
 #include "base/process/process.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/public/common/child_process_host.h"
 #include "ipc/ipc_listener.h"
-#include "ui/gfx/gpu_memory_buffer.h"
 
 namespace IPC {
 class MessageFilter;
 }
 
 namespace gpu {
 struct SyncToken;
 }
 
 namespace content {
@@ skipping 47 matching lines @@
   explicit ChildProcessHostImpl(ChildProcessHostDelegate* delegate);
 
   // IPC::Listener methods:
   bool OnMessageReceived(const IPC::Message& msg) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnChannelError() override;
   void OnBadMessageReceived(const IPC::Message& message) override;
 
   // Message handlers:
   void OnShutdownRequest();
-  void OnAllocateGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
-                                 uint32_t width,
-                                 uint32_t height,
-                                 gfx::BufferFormat format,
-                                 gfx::BufferUsage usage,
-                                 gfx::GpuMemoryBufferHandle* handle);
-  void OnDeletedGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
-                                const gpu::SyncToken& sync_token);
 
   // Initializes the IPC channel and returns true on success. |channel_| must be
   // non-null.
   bool InitChannel();
 
   ChildProcessHostDelegate* delegate_;
   base::Process peer_process_;
   bool opening_channel_;  // True while we're waiting the channel to be opened.
   std::unique_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_