[Ozone] Rename GetVSyncProvider to CreateVSyncProvider

ui/gfx/ozone/impl/file_surface_factory.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 "ui/gfx/ozone/impl/file_surface_factory.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/stl_util.h"
 #include "base/threading/worker_pool.h"
 #include "third_party/skia/include/core/SkBitmapDevice.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/vsync_provider.h"
 
 namespace {
 
 void WriteDataToFile(const base::FilePath& location,
                      const SkBitmap& bitmap) {
   std::vector<unsigned char> png_data;
   gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
   file_util::WriteFile(location,
                        (char*)vector_as_array(&png_data),
                        png_data.size());
@@ skipping 57 matching lines @@
         base::Bind(&WriteDataToFile, location_, bitmap),
         true);
   }
   return true;
 }
 
 SkCanvas* FileSurfaceFactory::GetCanvasForWidget(AcceleratedWidget w) {
   return canvas_.get();
 }
 
-VSyncProvider* FileSurfaceFactory::GetVSyncProvider(AcceleratedWidget w) {
-  return NULL;
+scoped_ptr<VSyncProvider> FileSurfaceFactory::CreateVSyncProvider(
+    AcceleratedWidget w) {
+  return scoped_ptr<VSyncProvider>();
 }
 
 }  // namespace gfx