Move frame_sink_id management to framesink_manager.cc/h from

content/browser/renderer_host/delegated_frame_host.cc

Index: content/browser/renderer_host/delegated_frame_host.cc
diff --git a/content/browser/renderer_host/delegated_frame_host.cc b/content/browser/renderer_host/delegated_frame_host.cc
index 6fa63cc3e0e09060f4d366b71ea16a0b84d819e4..e36af333325d2789b7a86ade2fc830187c2b3683 100644
--- a/content/browser/renderer_host/delegated_frame_host.cc
+++ b/content/browser/renderer_host/delegated_frame_host.cc
@@ -18,6 +18,7 @@
 #include "cc/output/copy_output_request.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/resources/texture_mailbox.h"
+#include "cc/surfaces/framesink_manager.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_hittest.h"
@@ -57,10 +58,10 @@ DelegatedFrameHost::DelegatedFrameHost(const cc::FrameSinkId& frame_sink_id,
   ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
   factory->GetContextFactory()->AddObserver(this);
   id_allocator_.reset(new cc::SurfaceIdAllocator());
-  factory->GetContextFactoryPrivate()->GetSurfaceManager()->RegisterFrameSinkId(
-      frame_sink_id_);
+  factory->GetContextFactoryPrivate()->GetFrameSinkManager()
+      ->RegisterFrameSinkId( frame_sink_id_);
   factory->GetContextFactoryPrivate()
-      ->GetSurfaceManager()
+      ->GetFrameSinkManager()
       ->RegisterSurfaceFactoryClient(frame_sink_id_, this);
   surface_factory_ = base::MakeUnique<cc::SurfaceFactory>(
       frame_sink_id_, factory->GetContextFactoryPrivate()->GetSurfaceManager(),
@@ -814,10 +815,10 @@ DelegatedFrameHost::~DelegatedFrameHost() {
   factory->GetContextFactory()->RemoveObserver(this);
   surface_factory_->EvictSurface();
   factory->GetContextFactoryPrivate()
-      ->GetSurfaceManager()
+      ->GetFrameSinkManager()
       ->UnregisterSurfaceFactoryClient(frame_sink_id_);
   factory->GetContextFactoryPrivate()
-      ->GetSurfaceManager()
+      ->GetFrameSinkManager()
       ->InvalidateFrameSinkId(frame_sink_id_);
 
   DCHECK(!vsync_manager_.get());