content: Handle native GpuMemoryBuffer allocation failures properly.

content/browser/gpu/browser_gpu_memory_buffer_manager.h

 // 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.
 
 #ifndef CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 #define CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/trace_event/memory_dump_provider.h"
@@ skipping 71 matching lines @@
       gfx::GpuMemoryBuffer::Format format,
       gfx::GpuMemoryBuffer::Usage usage,
       int32 surface_id);
   void AllocateGpuMemoryBufferOnIO(AllocateGpuMemoryBufferRequest* request);
   void GpuMemoryBufferAllocatedOnIO(AllocateGpuMemoryBufferRequest* request,
                                     const gfx::GpuMemoryBufferHandle& handle);
   void GpuMemoryBufferDeleted(gfx::GpuMemoryBufferId id,
                               int client_id,
                               uint32 sync_point);
   void GpuMemoryBufferAllocatedForChildProcess(
+      gfx::GpuMemoryBufferId id,
       int child_client_id,
       const AllocationCallback& callback,
       const gfx::GpuMemoryBufferHandle& handle);
 
   GpuMemoryBufferFactoryHost* gpu_memory_buffer_factory_host_;
   int gpu_client_id_;
 
   typedef base::hash_map<gfx::GpuMemoryBufferId, BufferInfo> BufferMap;
   typedef base::hash_map<int, BufferMap> ClientMap;
   ClientMap clients_;
 
   base::WeakPtrFactory<BrowserGpuMemoryBufferManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserGpuMemoryBufferManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_MEMORY_BUFFER_MANAGER_H_