Re-land: content: Cleanup GpuMemoryBuffers when child process is removed.

content/common/child_process_host_impl.cc

 // 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.
 
 #include "content/common/child_process_host_impl.h"
 
 #include <limits>
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
@@ skipping 329 matching lines @@
       g_next_gpu_memory_buffer_id.GetNext(),
       gfx::Size(width, height),
       format,
       peer_handle_,
       base::Bind(&ChildProcessHostImpl::GpuMemoryBufferAllocated,
                  base::Unretained(this),
                  reply));
 }
 
 void ChildProcessHostImpl::OnDeletedGpuMemoryBuffer(
-    gfx::GpuMemoryBufferType type,
     gfx::GpuMemoryBufferId id,
     uint32 sync_point) {
   // Note: Nothing to do here as ownership of shared memory backed
   // GpuMemoryBuffers is passed with IPC.
 }
 
 void ChildProcessHostImpl::GpuMemoryBufferAllocated(
     IPC::Message* reply,
     const gfx::GpuMemoryBufferHandle& handle) {
   ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer::WriteReplyParams(reply,
                                                                     handle);
   Send(reply);
 }
 
 }  // namespace content