PpapiCommandBufferProxy implements CommandBufferProxy.

gpu/ipc/command_buffer_proxy.h

Index: gpu/ipc/command_buffer_proxy.h
diff --git a/content/common/gpu/client/command_buffer_proxy.h b/gpu/ipc/command_buffer_proxy.h
similarity index 96%
rename from content/common/gpu/client/command_buffer_proxy.h
rename to gpu/ipc/command_buffer_proxy.h
index 661a75f436c473bfc552b22452978f6d8a2ae615..ac25c0802a17738d9c3253c149613bcda09ba5eb 100644
--- a/content/common/gpu/client/command_buffer_proxy.h
+++ b/gpu/ipc/command_buffer_proxy.h
@@ -6,8 +6,6 @@
 #define CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_H_
 #pragma once
 
-#if defined(ENABLE_GPU)
-
 #include <string>
 
 #include "base/callback.h"
@@ -21,7 +19,7 @@ struct GpuMemoryAllocationForRenderer;
 
 // Client side proxy that forwards messages synchronously to a
 // CommandBufferStub.
-class CommandBufferProxy : public gpu::CommandBuffer {
+class GPU_EXPORT CommandBufferProxy : public gpu::CommandBuffer {
  public:
   typedef base::Callback<void(
       const std::string& msg, int id)> GpuConsoleMessageCallback;
@@ -77,6 +75,4 @@ class CommandBufferProxy : public gpu::CommandBuffer {
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxy);
 };
 
-#endif  // ENABLE_GPU
-
 #endif  // CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_H_