cc: Remove wtf includes from layer_impl.h

cc/scrollbar_animation_controller_linear_fade.cc

Index: cc/scrollbar_animation_controller_linear_fade.cc
diff --git a/cc/scrollbar_animation_controller_linear_fade.cc b/cc/scrollbar_animation_controller_linear_fade.cc
index 95ad1984bda86759a1ea5042d19bae285fdfecbb..35b5261c3a3e6c6e182c8403133ac8c2b2ab5245 100644
--- a/cc/scrollbar_animation_controller_linear_fade.cc
+++ b/cc/scrollbar_animation_controller_linear_fade.cc
@@ -10,9 +10,9 @@
 
 namespace cc {
 
-PassOwnPtr<CCScrollbarAnimationControllerLinearFade> CCScrollbarAnimationControllerLinearFade::create(CCLayerImpl* scrollLayer, double fadeoutDelay, double fadeoutLength)
+scoped_ptr<CCScrollbarAnimationControllerLinearFade> CCScrollbarAnimationControllerLinearFade::create(CCLayerImpl* scrollLayer, double fadeoutDelay, double fadeoutLength)
 {
-    return adoptPtr(new CCScrollbarAnimationControllerLinearFade(scrollLayer, fadeoutDelay, fadeoutLength));
+    return make_scoped_ptr(new CCScrollbarAnimationControllerLinearFade(scrollLayer, fadeoutDelay, fadeoutLength));
 }
 
 CCScrollbarAnimationControllerLinearFade::CCScrollbarAnimationControllerLinearFade(CCLayerImpl* scrollLayer, double fadeoutDelay, double fadeoutLength)