gpu: Reuse existing code for shared memory allocation.

content/browser/gpu/browser_gpu_memory_buffer_manager.cc

 // 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.
 
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 270 matching lines @@
   auto insert_result = buffers.insert(std::make_pair(
       id, BufferInfo(size, gfx::SHARED_MEMORY_BUFFER, format, usage, 0)));
   if (!insert_result.second) {
     DLOG(ERROR) << "Child process attempted to allocate a GpuMemoryBuffer with "
                    "an existing ID.";
     callback.Run(gfx::GpuMemoryBufferHandle());
     return;
   }
 
   callback.Run(gpu::GpuMemoryBufferImplSharedMemory::AllocateForChildProcess(
-      id, size, format, child_process_handle));
+      id, size, format));
 }
 
 void BrowserGpuMemoryBufferManager::SetDestructionSyncToken(
     gfx::GpuMemoryBuffer* buffer,
     const gpu::SyncToken& sync_token) {
   static_cast<gpu::GpuMemoryBufferImpl*>(buffer)->set_destruction_sync_token(
       sync_token);
 }
 
 bool BrowserGpuMemoryBufferManager::OnMemoryDump(
@@ skipping 377 matching lines @@
       format(format),
       usage(usage),
       gpu_host_id(gpu_host_id) {}
 
 BrowserGpuMemoryBufferManager::BufferInfo::BufferInfo(const BufferInfo& other) =
     default;
 
 BrowserGpuMemoryBufferManager::BufferInfo::~BufferInfo() {}
 
 }  // namespace content