Removing canvas rendering mode switching feature

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.h

 // Copyright 2016 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 BaseRenderingContext2D_h
 #define BaseRenderingContext2D_h
 
 #include "bindings/modules/v8/CSSImageValueOrHTMLImageElementOrSVGImageElementOrHTMLVideoElementOrHTMLCanvasElementOrImageBitmapOrOffscreenCanvas.h"
 #include "bindings/modules/v8/StringOrCanvasGradientOrCanvasPattern.h"
 #include "core/html/ImageData.h"
 #include "modules/ModulesExport.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPath.h"
 #include "modules/canvas2d/CanvasRenderingContext2DState.h"
 #include "modules/canvas2d/CanvasStyle.h"
+#include "platform/graphics/CanvasHeuristicParameters.h"
 #include "platform/graphics/ColorBehavior.h"
-#include "platform/graphics/ExpensiveCanvasHeuristicParameters.h"
 #include "platform/graphics/paint/PaintCanvas.h"
 #include "third_party/skia/include/effects/SkComposeImageFilter.h"
 
 namespace blink {
 
 class CanvasImageSource;
 class Color;
 class Image;
 class ImageBuffer;
 class Path2D;
@@ skipping 317 matching lines @@
   };
 
   void CheckOverdraw(const SkRect&,
                      const PaintFlags*,
                      CanvasRenderingContext2DState::ImageType,
                      DrawType);
 
   HeapVector<Member<CanvasRenderingContext2DState>> state_stack_;
   AntiAliasingMode clip_antialiasing_;
 
-  void TrackDrawCall(DrawCallType,
-                     Path2D* path2d = nullptr,
-                     int width = 0,
-                     int height = 0);
-
   mutable UsageCounters usage_counters_;
 
-  float EstimateRenderingCost(
-      ExpensiveCanvasHeuristicParameters::RenderingModeCostIndex) const;
-
   virtual void NeedsFinalizeFrame(){};
 
  private:
   void RealizeSaves();
 
   bool ShouldDrawImageAntialiased(const FloatRect& dest_rect) const;
 
   void DrawPathInternal(const Path&,
                         CanvasRenderingContext2DState::PaintType,
                         SkPath::FillType = SkPath::kWinding_FillType);
@@ skipping 117 matching lines @@
   foreground_flags.setBlendMode(SkBlendMode::kSrcOver);
   c->setMatrix(ctm);
   draw_func(c, &foreground_flags);
   c->restore();
   c->setMatrix(ctm);
 }
 
 }  // namespace blink
 
 #endif  // BaseRenderingContext2D_h