gpu: Refactor GpuMemoryBuffer framework for multi-process support.

content/common/gpu/client/command_buffer_proxy_impl.cc

Index: content/common/gpu/client/command_buffer_proxy_impl.cc
diff --git a/content/common/gpu/client/command_buffer_proxy_impl.cc b/content/common/gpu/client/command_buffer_proxy_impl.cc
index c220e2a736f25db28a76c0f8f75a39f82730e710..3c824a2ed699c2f8b38147472ba4852aa1f3b266 100644
--- a/content/common/gpu/client/command_buffer_proxy_impl.cc
+++ b/content/common/gpu/client/command_buffer_proxy_impl.cc
@@ -554,4 +554,17 @@ void CommandBufferProxyImpl::SendManagedMemoryStats(
                                                             stats));
 }
 
+gfx::GpuMemoryBuffer* CommandBufferProxyImpl::CreateGpuMemoryBuffer(
+    size_t width,
+    size_t height,
+    unsigned internalformat,
+    int32* id) {
+  NOTREACHED();
+  return NULL;
+}
+
+void CommandBufferProxyImpl::DestroyGpuMemoryBuffer(int32 id) {
+  NOTREACHED();
+}
+
 }  // namespace content