Update from https://crrev.com/307664

skia/ext/bitmap_platform_device_skia.h

 // Copyright 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_BITMAP_PLATFORM_DEVICE_SKIA_H_
 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_SKIA_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "skia/ext/platform_device.h"
@@ skipping 20 matching lines @@
                                       uint8_t* data);
 
   // Create a BitmapPlatformDevice from an already constructed bitmap;
   // you should probably be using Create(). This may become private later if
   // we ever have to share state between some native drawing UI and Skia, like
   // the Windows and Mac versions of this class do.
   explicit BitmapPlatformDevice(const SkBitmap& other);
   virtual ~BitmapPlatformDevice();
 
   virtual PlatformSurface BeginPlatformPaint() override;
-  virtual void DrawToNativeContext(PlatformSurface surface, int x, int y,
-                                   const PlatformRect* src_rect) override;
 
  protected:
   virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo& info)
     override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_BITMAP_PLATFORM_DEVICE_SKIA_H_