Update from https://crrev.com/307664

skia/ext/bitmap_platform_device_cairo.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_CAIRO_H_
 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_CAIRO_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 71 matching lines @@
   // of the device are initialized to 0.
   static BitmapPlatformDevice* Create(int width, int height, bool is_opaque,
                                       uint8_t* data);
 
   // Overridden from SkBaseDevice:
   virtual void setMatrixClip(const SkMatrix& transform, const SkRegion& region,
                              const SkClipStack&) override;
 
   // Overridden from PlatformDevice:
   virtual cairo_t* 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:
   static BitmapPlatformDevice* Create(int width, int height, bool is_opaque,
                                       cairo_surface_t* surface);
 
   // Sets the transform and clip operations. This will not update the Cairo
@@ skipping 19 matching lines @@
 
   // The current clipping
   SkRegion clip_region_;
 
   DISALLOW_COPY_AND_ASSIGN(BitmapPlatformDevice);
 };
 
 }  // namespace skia
 
 #endif  // SKIA_EXT_BITMAP_PLATFORM_DEVICE_CAIRO_H_