Sample code: IPC Transport object for GPU

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 74bf6abc012d4c6c35f7493064a5f5acf537d280..22324ecc263ea53f052aba758edb6603798c0196 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -34,8 +34,6 @@
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
 
-struct GPUCreateCommandBufferConfig;
-
 namespace IPC {
 struct ChannelHandle;
 }
@@ -51,6 +49,7 @@ class InProcessChildThreadParams;
 class MojoApplicationHost;
 class RenderWidgetHostViewFrameSubscriber;
 class ShaderDiskCache;
+struct GpuCreateCommandBufferConfig;
 
 typedef base::Thread* (*GpuMainThreadFactoryFunction)(
     const InProcessChildThreadParams&);
@@ -122,12 +121,11 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
 
   // Tells the GPU process to create a new command buffer that draws into the
   // given surface.
-  void CreateViewCommandBuffer(
-      const gfx::GLSurfaceHandle& compositing_surface,
-      int client_id,
-      const GPUCreateCommandBufferConfig& init_params,
-      int route_id,
-      const CreateCommandBufferCallback& callback);
+  void CreateViewCommandBuffer(const gfx::GLSurfaceHandle& compositing_surface,
+                               int client_id,
+                               const GpuCreateCommandBufferConfig& init_params,
+                               int route_id,
+                               const CreateCommandBufferCallback& callback);
 
   // Tells the GPU process to create a new GPU memory buffer.
   void CreateGpuMemoryBuffer(gfx::GpuMemoryBufferId id,