cc: Remove wtf includes from layer_impl.h

cc/scrollbar_animation_controller_linear_fade_unittest.cc

Index: cc/scrollbar_animation_controller_linear_fade_unittest.cc
diff --git a/cc/scrollbar_animation_controller_linear_fade_unittest.cc b/cc/scrollbar_animation_controller_linear_fade_unittest.cc
index e586214fdbf356dd8e19c0ef2f2acf82104746c0..feb3d3a22a9f43b6e1f0b713eb5b13728eb3639f 100644
--- a/cc/scrollbar_animation_controller_linear_fade_unittest.cc
+++ b/cc/scrollbar_animation_controller_linear_fade_unittest.cc
@@ -9,7 +9,6 @@
 #include "CCScrollbarLayerImpl.h"
 #include "CCSingleThreadProxy.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <wtf/OwnPtr.h>
 
 using namespace cc;
 
@@ -33,7 +32,7 @@ protected:
 
     DebugScopedSetImplThread implThread;
 
-    OwnPtr<CCScrollbarAnimationControllerLinearFade> m_scrollbarController;
+    scoped_ptr<CCScrollbarAnimationControllerLinearFade> m_scrollbarController;
     scoped_ptr<CCLayerImpl> m_scrollLayer;
     CCLayerImpl* m_contentLayer;
     scoped_ptr<CCScrollbarLayerImpl> m_scrollbarLayer;