mac content shell drt: Hook up a dummy image transport

content/common/gpu/image_transport_surface.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 CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 #define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "content/common/content_export.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_message.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/surface/transport_dib.h"
 
 struct AcceleratedSurfaceMsg_BufferPresented_Params;
 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
@@ skipping 36 matching lines @@
   virtual void OnBufferPresented(
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) = 0;
   virtual void OnResizeViewACK() = 0;
   virtual void OnResize(gfx::Size size) = 0;
 
   // Creates the appropriate surface depending on the GL implementation.
   static scoped_refptr<gfx::GLSurface>
       CreateSurface(GpuChannelManager* manager,
                     GpuCommandBufferStub* stub,
                     const gfx::GLSurfaceHandle& handle);
+#if defined(OS_MACOSX)
+  CONTENT_EXPORT static void SetAllowOSMesaForTesting(bool allow);
+#endif
 
   virtual gfx::Size GetSize() = 0;
 
  protected:
   virtual ~ImageTransportSurface();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageTransportSurface);
 };
 
@@ skipping 108 matching lines @@
   bool did_set_swap_interval_;
   bool did_unschedule_;
   bool is_swap_buffers_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(PassThroughImageTransportSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_H_