LOG and clear SurfaceFactory if it isn't empty on destruction.

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 3eb4f4382e60faaf36a1ffd87d084e7f125dcdc4..13d1d63fb14d3ba5816709e3cb89f7c70762216d 100644
--- a/cc/surfaces/surface_factory.h
+++ b/cc/surfaces/surface_factory.h
@@ -5,6 +5,8 @@
 #ifndef CC_SURFACES_SURFACE_FACTORY_H_
 #define CC_SURFACES_SURFACE_FACTORY_H_
 
+#include <set>
+
 #include "base/callback_forward.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
@@ -40,6 +42,7 @@ class CC_SURFACES_EXPORT SurfaceFactory
   void Destroy(SurfaceId surface_id);
   void DestroyOnSequence(SurfaceId surface_id,
                          const std::set<SurfaceSequence>& dependency_set);

[jamesr, 2014/10/31 20:54:09]

oh i see, probably because of this line. i think it's right

+  void DestroyAll();
   // 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.