cc: Remove things from OutputSurface and CompositorFrameSink.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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/renderer/gpu/render_widget_compositor.h"
 
 #include <stddef.h>
 #include <limits>
 #include <string>
 #include <utility>
@@ skipping 1015 matching lines @@
   bool fallback = num_failed_recreate_attempts_ >=
                   COMPOSITOR_FRAME_SINK_RETRIES_BEFORE_FALLBACK;
   std::unique_ptr<cc::CompositorFrameSink> surface(
       delegate_->CreateCompositorFrameSink(fallback));
 
   if (!surface) {
     DidFailToInitializeCompositorFrameSink();
     return;
   }
 
-  DCHECK_EQ(surface->capabilities().max_frames_pending, 1);
-
   layer_tree_host_->SetCompositorFrameSink(std::move(surface));
 }
 
 void RenderWidgetCompositor::DidInitializeCompositorFrameSink() {
   num_failed_recreate_attempts_ = 0;
 }
 
 void RenderWidgetCompositor::DidFailToInitializeCompositorFrameSink() {
   ++num_failed_recreate_attempts_;
   // Tolerate a certain number of recreation failures to work around races
@@ skipping 79 matching lines @@
     float device_scale) {
   layer_tree_host_->GetLayerTree()->SetPaintedDeviceScaleFactor(device_scale);
 }
 
 void RenderWidgetCompositor::SetDeviceColorSpace(
     const gfx::ColorSpace& color_space) {
   // TODO(ccameron): Plumb this to the cc compositor.
 }
 
 }  // namespace content