android: Use UIResource for overscroll glow

content/browser/android/edge_effect.h

Index: content/browser/android/edge_effect.h
diff --git a/content/browser/android/edge_effect.h b/content/browser/android/edge_effect.h
index b8febba22d2a77673be3198c46b4e6d26cc39c21..be2680b154d498e77f88cacfe6bc78d0281681fb 100644
--- a/content/browser/android/edge_effect.h
+++ b/content/browser/android/edge_effect.h
@@ -6,16 +6,14 @@
 #define CONTENT_BROWSER_ANDROID_EDGE_EFFECT_H_
 
 #include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "ui/gfx/size_f.h"
 
-namespace cc {
-class Layer;
-}
-
 namespace content {
 
+class OverscrollGlowLayerWrapper;
+
 /* |EdgeEffect| mirrors its Android counterpart, EdgeEffect.java.
  * The primary difference is ownership; the Android version manages render
  * resources directly, while this version simply applies the effect to
@@ -33,7 +31,8 @@ public:
     EDGE_COUNT
   };
 
-  EdgeEffect(scoped_refptr<cc::Layer> edge, scoped_refptr<cc::Layer> glow);
+  EdgeEffect(scoped_ptr<OverscrollGlowLayerWrapper> edge,
+             scoped_ptr<OverscrollGlowLayerWrapper> glow);
   ~EdgeEffect();
 
   void Pull(base::TimeTicks current_time, float delta_distance);
@@ -60,8 +59,8 @@ private:
     STATE_PULL_DECAY
   };
 
-  scoped_refptr<cc::Layer> edge_;
-  scoped_refptr<cc::Layer> glow_;
+  scoped_ptr<OverscrollGlowLayerWrapper> edge_;
+  scoped_ptr<OverscrollGlowLayerWrapper> glow_;
 
   float edge_alpha_;
   float edge_scale_y_;