cc: Remove unneeded methods from OutputSurface.

cc/surfaces/surface_display_output_surface.cc

 // Copyright 2014 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.
 
 #include "cc/surfaces/surface_display_output_surface.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
@@ skipping 127 matching lines @@
 }
 
 void SurfaceDisplayOutputSurface::SetBeginFrameSource(
     BeginFrameSource* begin_frame_source) {
   DCHECK(client_);
   client_->SetBeginFrameSource(begin_frame_source);
 }
 
 void SurfaceDisplayOutputSurface::DisplayOutputSurfaceLost() {
   output_surface_lost_ = true;
-  DidLoseOutputSurface();
+  client_->DidLoseOutputSurface();
 }
 
 void SurfaceDisplayOutputSurface::DisplayWillDrawAndSwap(
     bool will_draw_and_swap,
     const RenderPassList& render_passes) {
   // This notification is not relevant to our client outside of tests.
 }
 
 void SurfaceDisplayOutputSurface::DisplayDidDrawAndSwap() {
   // This notification is not relevant to our client outside of tests. We
   // unblock the client from DidDrawCallback() when the surface is going to
   // be drawn.
 }
 
 void SurfaceDisplayOutputSurface::DidDrawCallback() {
   // TODO(danakj): Why the lost check?
   if (!output_surface_lost_)
     client_->DidSwapBuffersComplete();
 }
 
 }  // namespace cc