Introducing SurfaceReferenceFactory

cc/surfaces/surface_manager.cc

Index: cc/surfaces/surface_manager.cc
diff --git a/cc/surfaces/surface_manager.cc b/cc/surfaces/surface_manager.cc
index 7c716d0eeb0c975b6ac7ed43e81412252967ca0d..292e97467fc790795aedaa3026038768ae741457 100644
--- a/cc/surfaces/surface_manager.cc
+++ b/cc/surfaces/surface_manager.cc
@@ -11,6 +11,7 @@
 #include <utility>
 
 #include "base/logging.h"
+#include "cc/surfaces/direct_surface_reference_factory.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "cc/surfaces/surface_id_allocator.h"
@@ -31,7 +32,8 @@ SurfaceManager::FrameSinkSourceMapping::~FrameSinkSourceMapping() {
 SurfaceManager::SurfaceManager(LifetimeType lifetime_type)
     : lifetime_type_(lifetime_type),
       root_surface_id_(FrameSinkId(0u, 0u),
-                       LocalFrameId(1u, base::UnguessableToken::Create())) {
+                       LocalFrameId(1u, base::UnguessableToken::Create())),
+      reference_factory_(new DirectSurfaceReferenceFactory(this)) {
   thread_checker_.DetachFromThread();
 }