Move frame_sink_id management to framesink_manager.cc/h from

content/browser/compositor/surface_utils.cc

Index: content/browser/compositor/surface_utils.cc
diff --git a/content/browser/compositor/surface_utils.cc b/content/browser/compositor/surface_utils.cc
index 27cceecf92514fc10ee382ef714af7668a9dcd51..0a34118605bd9e9b3fb808bc0404111b98900f0b 100644
--- a/content/browser/compositor/surface_utils.cc
+++ b/content/browser/compositor/surface_utils.cc
@@ -179,6 +179,17 @@ cc::SurfaceManager* GetSurfaceManager() {
 #endif
 }
 
+cc::FrameSinkManager* GetFrameSinkManager() {
+#if defined(OS_ANDROID)
+  return ContextProviderFactoryImpl::GetInstance()->GetFrameSinkManager();
+#else
+  ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
+  if (factory == NULL)
+    return nullptr;
+  return factory->GetContextFactoryPrivate()->GetFrameSinkManager();
+#endif
+}
+
 void CopyFromCompositingSurfaceHasResult(
     const gfx::Size& dst_size_in_pixel,
     const SkColorType color_type,