GPU: Buld most of the gpu as a single DLL.

gpu/command_buffer/common/command_buffer.h

 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_
 #define GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_
 
+#include "../../gpu_export.h"
 #include "../common/buffer.h"
 #include "../common/constants.h"
 
 namespace base {
 class SharedMemory;
 }
 
 namespace gpu {
 
 // Common interface for CommandBuffer implementations.
-class CommandBuffer {
+class GPU_EXPORT CommandBuffer {
  public:
   enum {
     kMaxCommandBufferSize = 4 * 1024 * 1024
   };
 
   struct State {
     State()
         : num_entries(0),
           get_offset(0),
           put_offset(0),
@@ skipping 111 matching lines @@
   // implementation.
   virtual error::Error GetLastError();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CommandBuffer);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_