Move frame_sink_id management to framesink_manager.cc/h from

content/browser/renderer_host/context_provider_factory_impl_android.cc

Index: content/browser/renderer_host/context_provider_factory_impl_android.cc
diff --git a/content/browser/renderer_host/context_provider_factory_impl_android.cc b/content/browser/renderer_host/context_provider_factory_impl_android.cc
index 2437ca8146246f27cccb170c615d5f4cffafa755..c70b3d609b0ddafb6f2377e81e719071bb0a1b4b 100644
--- a/content/browser/renderer_host/context_provider_factory_impl_android.cc
+++ b/content/browser/renderer_host/context_provider_factory_impl_android.cc
@@ -135,6 +135,13 @@ cc::SurfaceManager* ContextProviderFactoryImpl::GetSurfaceManager() {
   return surface_manager_.get();
 }
 
+cc::FrameSinkManager* ContextProviderFactoryImpl::GetFrameSinkManager() {
+  if (!framesink_manager_)
+    framesink_manager_ = base::WrapUnique(new cc::FrameSinkManager);
+
+  return framesink_manager_.get();
+}
+
 cc::FrameSinkId ContextProviderFactoryImpl::AllocateFrameSinkId() {
   // The FrameSinkId generated here must be unique with
   // RenderWidgetHostViewAndroid's