Remove PlatformCanvas::GetBitmapContext()

skia/ext/platform_device.cc

 // Copyright (c) 2011 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 "base/logging.h"
 #include "skia/ext/platform_device.h"
 
 #include "third_party/skia/include/core/SkMetaData.h"
 
 namespace {
@@ skipping 13 matching lines @@
   if (device) {
     SkMetaData& meta_data = device->getMetaData();
     PlatformDevice* device_behaviour = NULL;
     if (meta_data.findPtr(kDevicePlatformBehaviour,
                           reinterpret_cast<void**>(&device_behaviour)))
       return device_behaviour;
   }
   return NULL;
 }
 
+PlatformDevice::~PlatformDevice() {}
+
 }  // namespace skia