cc: Remove OutputSurfaceClient::DidSwapBuffers().

content/browser/compositor/gpu_browser_compositor_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 "content/browser/compositor/gpu_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 85 matching lines @@
     }
   }
 
   if (frame.gl_frame_data->sub_buffer_rect ==
       gfx::Rect(frame.gl_frame_data->size)) {
     context_provider_->ContextSupport()->Swap();
   } else {
     context_provider_->ContextSupport()->PartialSwapBuffers(
         frame.gl_frame_data->sub_buffer_rect);
   }
-
-  client_->DidSwapBuffers();
 }
 
 void GpuBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
     const std::vector<ui::LatencyInfo>& latency_info,
     gfx::SwapResult result,
     const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
   RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
   OnSwapBuffersComplete();
 }
 
 #if defined(OS_MACOSX)
 void GpuBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
     bool suspended) {}
 #endif
 
 }  // namespace content