Avoid destroying surface before the parent surface stops referencing it.

cc/surfaces/surface_factory.h

Index: cc/surfaces/surface_factory.h
diff --git a/cc/surfaces/surface_factory.h b/cc/surfaces/surface_factory.h
index 2516015f506e9ff10ff54de2fd647f3d2f679555..3eb4f4382e60faaf36a1ffd87d084e7f125dcdc4 100644
--- a/cc/surfaces/surface_factory.h
+++ b/cc/surfaces/surface_factory.h
@@ -11,6 +11,7 @@
 #include "base/memory/weak_ptr.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_resource_holder.h"
+#include "cc/surfaces/surface_sequence.h"
 #include "cc/surfaces/surfaces_export.h"
 
 namespace gfx {
@@ -37,6 +38,8 @@ class CC_SURFACES_EXPORT SurfaceFactory
 
   void Create(SurfaceId surface_id, const gfx::Size& size);
   void Destroy(SurfaceId surface_id);
+  void DestroyOnSequence(SurfaceId surface_id,
+                         const std::set<SurfaceSequence>& dependency_set);
   // A frame can only be submitted to a surface created by this factory,
   // although the frame may reference surfaces created by other factories.
   // The callback is called the first time this frame is used to draw.
@@ -52,6 +55,8 @@ class CC_SURFACES_EXPORT SurfaceFactory
   void RefResources(const TransferableResourceArray& resources);
   void UnrefResources(const ReturnedResourceArray& resources);
 
+  SurfaceManager* manager() { return manager_; }
+
  private:
   SurfaceManager* manager_;
   SurfaceFactoryClient* client_;