clear() is now an alias for drawPaint, and will be deprecated as a virtual

skia/ext/analysis_canvas.h

 // Copyright (c) 2013 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 SKIA_EXT_ANALYSIS_CANVAS_H_
 #define SKIA_EXT_ANALYSIS_CANVAS_H_
 
 #include "base/compiler_specific.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPicture.h"
@@ skipping 12 matching lines @@
   // Returns true when a SkColor can be used to represent result.
   bool GetColorIfSolid(SkColor* color) const;
 
   void SetForceNotSolid(bool flag);
   void SetForceNotTransparent(bool flag);
 
   // SkDrawPictureCallback override.
   bool abortDrawing() override;
 
   // SkCanvas overrides.
-  void clear(SkColor) override;
   void drawPaint(const SkPaint& paint) override;
   void drawPoints(PointMode,
                   size_t count,
                   const SkPoint pts[],
                   const SkPaint&) override;
   void drawOval(const SkRect&, const SkPaint&) override;
   void drawRect(const SkRect&, const SkPaint&) override;
   void drawRRect(const SkRRect&, const SkPaint&) override;
   void drawPath(const SkPath& path, const SkPaint&) override;
   void drawBitmap(const SkBitmap&,
@@ skipping 85 matching lines @@
   bool is_solid_color_;
   SkColor color_;
   bool is_transparent_;
   int draw_op_count_;
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_ANALYSIS_CANVAS_H_