Removing GL context rate limiting feature and related wrappers

cc/trees/layer_tree_host.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_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"

[danakj, 2015/09/21 20:49:24]

oh.not needed now?

 #include "cc/animation/animation_events.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/debug/frame_timing_tracker.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/debug/micro_benchmark_controller.h"
 #include "cc/input/input_handler.h"
 #include "cc/input/layer_selection_bound.h"
 #include "cc/input/scrollbar.h"
 #include "cc/input/top_controls_state.h"
@@ skipping 206 matching lines @@
   void SetThrottleFrameProduction(bool throttle);
 
   void StartPageScaleAnimation(const gfx::Vector2d& target_offset,
                                bool use_anchor,
                                float scale,
                                base::TimeDelta duration);
 
   void ApplyScrollAndScale(ScrollAndScaleSet* info);
   void SetImplTransform(const gfx::Transform& transform);
 
-  // Virtual for tests.
-  virtual void StartRateLimiter();
-  virtual void StopRateLimiter();
-
-  void RateLimit();
-
   void SetDeviceScaleFactor(float device_scale_factor);
   float device_scale_factor() const { return device_scale_factor_; }
 
   void UpdateTopControlsState(TopControlsState constraints,
                               TopControlsState current,
                               bool animate);
 
   HeadsUpDisplayLayer* hud_layer() const { return hud_layer_.get(); }
 
   Proxy* proxy() const { return proxy_.get(); }
@@ skipping 154 matching lines @@
   typedef std::vector<UIResourceRequest> UIResourceRequestQueue;
   UIResourceRequestQueue ui_resource_request_queue_;
 
   void RecordGpuRasterizationHistogram();
   void CalculateLCDTextMetricsCallback(Layer* layer);
 
   void NotifySwapPromiseMonitorsOfSetNeedsCommit();
 
   void SetPropertyTreesNeedRebuild();
 
-  bool inside_begin_main_frame_;
   bool needs_full_tree_sync_;
   bool needs_meta_info_recomputation_;
 
   LayerTreeHostClient* client_;
   scoped_ptr<Proxy> proxy_;
 
   int source_frame_number_;
   int meta_information_sequence_number_;
   scoped_ptr<RenderingStatsInstrumentation> rendering_stats_instrumentation_;
 
@@ skipping 10 matching lines @@
 
   gfx::Size device_viewport_size_;
   bool top_controls_shrink_blink_size_;
   float top_controls_height_;
   float top_controls_shown_ratio_;
   bool hide_pinch_scrollbars_near_min_scale_;
   float device_scale_factor_;
 
   bool visible_;
 
-  base::OneShotTimer<LayerTreeHost> rate_limit_timer_;
-
   float page_scale_factor_;
   float min_page_scale_factor_;
   float max_page_scale_factor_;
   gfx::Vector2dF elastic_overscroll_;
   bool has_gpu_rasterization_trigger_;
   bool content_is_suitable_for_gpu_rasterization_;
   bool gpu_rasterization_histogram_recorded_;
 
   SkColor background_color_;
   bool has_transparent_background_;
@@ skipping 33 matching lines @@
 
   uint32_t surface_id_namespace_;
   uint32_t next_surface_sequence_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_