Plumb overlay processing into DirectRenderer.

cc/output/overlay_strategy_single_on_top.h

 // 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.
 
 #ifndef CC_OUTPUT_OVERLAY_STRATEGY_SINGLE_ON_TOP_H_
 #define CC_OUTPUT_OVERLAY_STRATEGY_SINGLE_ON_TOP_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
+#include "cc/output/overlay_candidate.h"
 #include "cc/output/overlay_processor.h"
 #include "cc/quads/render_pass.h"
 
 namespace cc {
 class OverlayCandidateValidator;
 
 class CC_EXPORT OverlayStrategySingleOnTop : public OverlayProcessor::Strategy {
  public:
   OverlayStrategySingleOnTop(OverlayCandidateValidator* capability_checker,
                              ResourceProvider* resource_provider);
-  virtual bool Attempt(RenderPassList* render_passes_in_draw_order) OVERRIDE;
+  virtual bool Attempt(RenderPassList* render_passes_in_draw_order,
+                       OverlayCandidateList* candidate_list) OVERRIDE;
 
  private:
   OverlayCandidateValidator* capability_checker_;
   ResourceProvider* resource_provider_;
   DISALLOW_COPY_AND_ASSIGN(OverlayStrategySingleOnTop);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_OVERLAY_STRATEGY_SINGLE_ON_TOP_H_