gpu: Associate all GpuMemoryBuffers with unique IDs.

content/browser/gpu/browser_gpu_memory_buffer_manager.h

Index: content/browser/gpu/browser_gpu_memory_buffer_manager.h
diff --git a/content/browser/gpu/browser_gpu_memory_buffer_manager.h b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
index 8798ab712dd2b064ed67c885deda9bd4d2bac05f..12388adf770992ca4f2761171f0e7703b9916ef4 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.h
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
@@ -40,8 +40,9 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
       const AllocationCallback& callback);
   void ChildProcessDeletedGpuMemoryBuffer(
       gfx::GpuMemoryBufferType type,
-      const gfx::GpuMemoryBufferId& id,
-      base::ProcessHandle child_process_handle);
+      gfx::GpuMemoryBufferId id,
+      base::ProcessHandle child_process_handle,
+      int child_client_id);
   void ProcessRemoved(base::ProcessHandle process_handle);
 
  private: