cc: Unify use of DidSwapBuffers() and did_request_swap

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 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_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 13 matching lines @@
 #include "cc/input/top_controls_manager_client.h"
 #include "cc/layers/layer_lists.h"
 #include "cc/layers/render_pass_sink.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/managed_memory_policy.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/renderer.h"
 #include "cc/quads/render_pass.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/tile_manager.h"
-#include "cc/scheduler/draw_swap_readback_result.h"
+#include "cc/scheduler/draw_result.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/rect.h"
 
 namespace cc {
 
 class CompletionEvent;
 class CompositorFrameMetadata;
 class DebugRectHistory;
 class FrameRateCounter;
@@ skipping 140 matching lines @@
   void UpdateBackgroundAnimateTicking(bool should_background_tick);
   void DidAnimateScrollOffset();
   void SetViewportDamage(const gfx::Rect& damage_rect);
 
   virtual void ManageTiles();
 
   // Returns false if problems occured preparing the frame, and we should try
   // to avoid displaying the frame. If PrepareToDraw is called, DidDrawAllLayers
   // must also be called, regardless of whether DrawLayers is called between the
   // two.
-  virtual DrawSwapReadbackResult::DrawResult PrepareToDraw(
-      FrameData* frame,
-      const gfx::Rect& damage_rect);
+  virtual DrawResult PrepareToDraw(FrameData* frame,
+                                   const gfx::Rect& damage_rect);
   virtual void DrawLayers(FrameData* frame, base::TimeTicks frame_begin_time);
   // Must be called if and only if PrepareToDraw was called.
   void DidDrawAllLayers(const FrameData& frame);
 
   const LayerTreeSettings& settings() const { return settings_; }
 
   // Evict all textures by enforcing a memory policy with an allocation of 0.
   void EvictTexturesForTesting();
 
   // When blocking, this prevents client_->NotifyReadyToActivate() from being
@@ skipping 165 matching lines @@
   Proxy* proxy() const { return proxy_; }
 
   AnimationRegistrar* animation_registrar() const {
     return animation_registrar_.get();
   }
 
   void SetDebugState(const LayerTreeDebugState& new_debug_state);
   const LayerTreeDebugState& debug_state() const { return debug_state_; }
 
   class CC_EXPORT CullRenderPassesWithNoQuads {
- public:
+   public:
     bool ShouldRemoveRenderPass(const RenderPassDrawQuad& quad,
                                 const FrameData& frame) const;
 
     // Iterates in draw order, so that when a surface is removed, and its
     // target becomes empty, then its target can be removed also.
     size_t RenderPassListBegin(const RenderPassList& list) const { return 0; }
     size_t RenderPassListEnd(const RenderPassList& list) const {
       return list.size();
     }
     size_t RenderPassListNext(size_t it) const { return it + 1; }
@@ skipping 113 matching lines @@
 
   void TrackDamageForAllSurfaces(
       LayerImpl* root_draw_layer,
       const LayerImplList& render_surface_layer_list);
 
   void UpdateTileManagerMemoryPolicy(const ManagedMemoryPolicy& policy);
 
   // This function should only be called from PrepareToDraw, as DidDrawAllLayers
   // must be called if this helper function is called.  Returns DRAW_SUCCESS if
   // the frame should be drawn.
-  DrawSwapReadbackResult::DrawResult CalculateRenderPasses(FrameData* frame);
+  DrawResult CalculateRenderPasses(FrameData* frame);
 
   bool EnsureRenderSurfaceLayerList();
   void ClearCurrentlyScrollingLayer();
 
   bool HandleMouseOverScrollbar(LayerImpl* layer_impl,
                                 const gfx::PointF& device_viewport_point);
 
   void AnimateScrollbarsRecursive(LayerImpl* layer,
                                   base::TimeTicks time);
 
@@ skipping 152 matching lines @@
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   size_t transfer_buffer_memory_limit_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_