[Ozone] Rename GetVSyncProvider to CreateVSyncProvider

ui/gfx/ozone/surface_factory_ozone.cc

 // Copyright (c) 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/surface_factory_ozone.h"
 
 #include <stdlib.h>
 
 #include "base/command_line.h"
+#include "ui/gfx/vsync_provider.h"
 
 namespace gfx {
 
 // static
 SurfaceFactoryOzone* SurfaceFactoryOzone::impl_ = NULL;
 
 class SurfaceFactoryOzoneStub : public SurfaceFactoryOzone {
  public:
   SurfaceFactoryOzoneStub() {}
   virtual ~SurfaceFactoryOzoneStub() {}
 
   virtual HardwareState InitializeHardware() OVERRIDE { return INITIALIZED; }
   virtual void ShutdownHardware() OVERRIDE {}
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE { return 0; }
   virtual gfx::AcceleratedWidget RealizeAcceleratedWidget(
       gfx::AcceleratedWidget w) OVERRIDE {
     return 0;
   }
   virtual bool LoadEGLGLES2Bindings(
       AddGLLibraryCallback add_gl_library,
       SetGLGetProcAddressProcCallback set_gl_get_proc_address) OVERRIDE {
     return true;
   }
   virtual bool AttemptToResizeAcceleratedWidget(
       gfx::AcceleratedWidget w,
       const gfx::Rect& bounds) OVERRIDE {
     return false;
   }
-  virtual gfx::VSyncProvider* GetVSyncProvider(
+  virtual scoped_ptr<gfx::VSyncProvider> CreateVSyncProvider(
       gfx::AcceleratedWidget w) OVERRIDE {
-    return NULL;
+    return scoped_ptr<VSyncProvider>();
   }
 };
 
 SurfaceFactoryOzone::SurfaceFactoryOzone() {
 }
 
 SurfaceFactoryOzone::~SurfaceFactoryOzone() {
 }
 
 SurfaceFactoryOzone* SurfaceFactoryOzone::GetInstance() {
@@ skipping 32 matching lines @@
     const int32* desired_attributes) {
   return desired_attributes;
 }
 
 // static
 SurfaceFactoryOzone* SurfaceFactoryOzone::CreateTestHelper() {
   return new SurfaceFactoryOzoneStub;
 }
 
 }  // namespace gfx