Plumb cc::LatencyInfo through command buffer and output surface

content/common/gpu/texture_image_transport_surface.h

Index: content/common/gpu/texture_image_transport_surface.h
diff --git a/content/common/gpu/texture_image_transport_surface.h b/content/common/gpu/texture_image_transport_surface.h
index b29a97ad92dc2af25c2a74bedb0a9f1e85f8450a..af1eab057b917e698c226cf4c301e1db79e0c98c 100644
--- a/content/common/gpu/texture_image_transport_surface.h
+++ b/content/common/gpu/texture_image_transport_surface.h
@@ -53,6 +53,8 @@ class TextureImageTransportSurface
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) OVERRIDE;
   virtual void OnResizeViewACK() OVERRIDE;
   virtual void OnResize(gfx::Size size) OVERRIDE;
+  virtual void SetLatencyInfo(
+      const cc::LatencyInfo& latency_info) OVERRIDE;
 
   // GpuCommandBufferStub::DestructionObserver implementation.
   virtual void OnWillDestroyStub(GpuCommandBufferStub* stub) OVERRIDE;
@@ -118,6 +120,7 @@ class TextureImageTransportSurface
   // Holds a reference to the mailbox manager for cleanup.
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
 
+  cc::LatencyInfo latency_info_;
   DISALLOW_COPY_AND_ASSIGN(TextureImageTransportSurface);
 };