Plumb cc::LatencyInfo through command buffer and output surface

content/renderer/gpu/mailbox_output_surface.h

Index: content/renderer/gpu/mailbox_output_surface.h
diff --git a/content/renderer/gpu/mailbox_output_surface.h b/content/renderer/gpu/mailbox_output_surface.h
index 1ad755f0cda6989b1709b89d67f10b79b4345329..7c159bed8492104188d757a64e88b07f24fd79b1 100644
--- a/content/renderer/gpu/mailbox_output_surface.h
+++ b/content/renderer/gpu/mailbox_output_surface.h
@@ -24,7 +24,7 @@ namespace content {
 class MailboxOutputSurface : public CompositorOutputSurface {
  public:
   MailboxOutputSurface(int32 routing_id,
-                       WebKit::WebGraphicsContext3D* context3d,
+                       WebGraphicsContext3DCommandBufferImpl* context3d,
                        cc::SoftwareOutputDevice* software);
   virtual ~MailboxOutputSurface();
 
@@ -34,8 +34,8 @@ class MailboxOutputSurface : public CompositorOutputSurface {
   virtual void DiscardBackbuffer() OVERRIDE;
   virtual void Reshape(gfx::Size size) OVERRIDE;
   virtual void BindFramebuffer() OVERRIDE;
-  virtual void PostSubBuffer(gfx::Rect rect) OVERRIDE;
-  virtual void SwapBuffers() OVERRIDE;
+  virtual void PostSubBuffer(gfx::Rect rect, const cc::LatencyInfo&) OVERRIDE;
+  virtual void SwapBuffers(const cc::LatencyInfo&) OVERRIDE;
 
  private:
   // CompositorOutputSurface overrides.