Adding functionality to paint and signal buffer swap for ozone surface factory.

ui/base/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/base/ozone/surface_factory_ozone.h"
 
 #include <stdlib.h>
 
 namespace ui {
 
 // static
 SurfaceFactoryOzone* SurfaceFactoryOzone::impl_ = NULL;
 
 class SurfaceFactoryOzoneStub : public SurfaceFactoryOzone {
  public:
   SurfaceFactoryOzoneStub() {}
   virtual ~SurfaceFactoryOzoneStub() {}
 
-  virtual void InitializeHardware() OVERRIDE {}
+  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() OVERRIDE { return true; }
   virtual bool AttemptToResizeAcceleratedWidget(
       gfx::AcceleratedWidget w,
       const gfx::Rect& bounds) OVERRIDE {
@@ skipping 24 matching lines @@
   char* envvar = getenv("ASH_DISPLAY_SPEC");
   if (envvar)
     return envvar;
   return  "720x1280*2";
 }
 
 gfx::Screen* SurfaceFactoryOzone::CreateDesktopScreen() {
   return NULL;
 }
 
+intptr_t SurfaceFactoryOzone::GetNativeDisplay() {
+  return 0;
+}
+
+bool SurfaceFactoryOzone::SchedulePageFlip(gfx::AcceleratedWidget) {
+  return true;
+}
+
 // static
 SurfaceFactoryOzone* SurfaceFactoryOzone::CreateTestHelper() {
   return new SurfaceFactoryOzoneStub;
 }
 
 }  // namespace ui