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

ui/base/ozone/surface_factory_ozone.cc

Index: ui/base/ozone/surface_factory_ozone.cc
diff --git a/ui/base/ozone/surface_factory_ozone.cc b/ui/base/ozone/surface_factory_ozone.cc
index 7d8d64bedbe6120e9398e9a21cad3d2f1f3cbdcd..c80d70ca506c249b09406a3a2a51978f3d518653 100644
--- a/ui/base/ozone/surface_factory_ozone.cc
+++ b/ui/base/ozone/surface_factory_ozone.cc
@@ -16,7 +16,7 @@ class SurfaceFactoryOzoneStub : public SurfaceFactoryOzone {
   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(
@@ -61,6 +61,14 @@ 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;