Update from https://crrev.com/307664

skia/ext/bitmap_platform_device_cairo.cc

 // 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.
 
 #include "skia/ext/bitmap_platform_device_cairo.h"
 #include "skia/ext/platform_canvas.h"
 
 #if defined(OS_OPENBSD)
 #include <cairo.h>
 #else
@@ skipping 167 matching lines @@
   LoadConfig();
   cairo_surface_t* surface = cairo_get_target(cairo_);
   // Tell cairo to flush anything it has pending.
   cairo_surface_flush(surface);
   // Tell Cairo that we (probably) modified (actually, will modify) its pixel
   // buffer directly.
   cairo_surface_mark_dirty(surface);
   return cairo_;
 }
 
-void BitmapPlatformDevice::DrawToNativeContext(
-    PlatformSurface surface, int x, int y, const PlatformRect* src_rect) {
-  // Should never be called on Linux.
-  SkASSERT(false);
-}
-
 void BitmapPlatformDevice::setMatrixClip(const SkMatrix& transform,
                                          const SkRegion& region,
                                          const SkClipStack&) {
   SetMatrixClip(transform, region);
 }
 
 // PlatformCanvas impl
 
 SkCanvas* CreatePlatformCanvas(int width, int height, bool is_opaque,
                                uint8_t* data, OnFailureType failureType) {
@@ skipping 18 matching lines @@
       width,
       height);
   if (cairo_surface_status(surf) != CAIRO_STATUS_SUCCESS) {
     cairo_surface_destroy(surf);
     return false;
   }
   return InstallCairoSurfacePixels(&bitmap_, surf, is_opaque);
 }
 
 }  // namespace skia