gpu: Associate all GpuMemoryBuffers with unique IDs.

content/browser/gpu/gpu_process_host.h

Index: content/browser/gpu/gpu_process_host.h
diff --git a/content/browser/gpu/gpu_process_host.h b/content/browser/gpu/gpu_process_host.h
index 636f61ab19350ed72f2a618db18089bce44069e0..2952d3869effc927437dad452f2b05e214952caa 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -118,16 +118,19 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
       int route_id,
       const CreateCommandBufferCallback& callback);
 
-  // Tells the GPU process to create a new GPU memory buffer using the given
-  // handle.
-  void CreateGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
+  // Tells the GPU process to create a new GPU memory buffer.
+  void CreateGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
+                             gfx::GpuMemoryBufferId id,
                              const gfx::Size& size,
                              gfx::GpuMemoryBuffer::Format format,
                              gfx::GpuMemoryBuffer::Usage usage,
+                             int client_id,
                              const CreateGpuMemoryBufferCallback& callback);
 
   // Tells the GPU process to destroy GPU memory buffer.
-  void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
+  void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferType type,
+                              gfx::GpuMemoryBufferId id,
+                              int client_id,
                               int sync_point);
 
   // What kind of GPU process, e.g. sandboxed or unsandboxed.