Refactor OverlayStrategySandwich and OverlayStrategyCommon

cc/output/overlay_strategy_all_or_nothing.h

 // Copyright 2015 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.
 
 #ifndef CC_OUTPUT_OVERLAY_STRATEGY_ALL_OR_NOTHING_H_
 #define CC_OUTPUT_OVERLAY_STRATEGY_ALL_OR_NOTHING_H_
 
 #include "cc/output/overlay_processor.h"
 
 namespace cc {
 
 class OverlayCandidateValidator;
 
 // This strategy attempts to promote all quads into overlays.
 // If any quad can't be promoted, it returns false and no quads are promoted.
 class CC_EXPORT OverlayStrategyAllOrNothing
     : public OverlayProcessor::Strategy {
  public:
   explicit OverlayStrategyAllOrNothing(
       OverlayCandidateValidator* capability_checker);
   ~OverlayStrategyAllOrNothing() override;
 
   bool Attempt(RenderPassList* render_passes,
-               OverlayCandidateList* candidate_list,
-               float device_scale_factor) override;

[ccameron, 2015/10/05 19:28:29]

Thanks for killing this ....

+               OverlayCandidateList* candidate_list) override;
 
  private:
   OverlayCandidateValidator* capability_checker_;  // Weak.
 
   DISALLOW_COPY_AND_ASSIGN(OverlayStrategyAllOrNothing);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_OVERLAY_STRATEGY_ALL_OR_NOTHING_H_