Implement initial version of scroll end effect

chrome/browser/ui/views/frame/scroll_end_effect_controller.h

Index: chrome/browser/ui/views/frame/scroll_end_effect_controller.h
diff --git a/chrome/browser/ui/views/frame/scroll_end_effect_controller.h b/chrome/browser/ui/views/frame/scroll_end_effect_controller.h
index 372ec197e345c32ca68592bd6d909cd5cd2cee16..ac2bc891742b3d36d1ed5fde8d6ee761d8b481b2 100644
--- a/chrome/browser/ui/views/frame/scroll_end_effect_controller.h
+++ b/chrome/browser/ui/views/frame/scroll_end_effect_controller.h
@@ -7,6 +7,9 @@
 
 #include "base/basictypes.h"
 
+class BrowserView;
+class ScrollEndEffectControllerDelegate;
+
 // The controller receives the raw y-deltas generated by the overscroll
 // controller and is resonsible for converting them in to the scroll end
 // effect. This effect occurs in the vertical overscroll case and is used to
@@ -17,7 +20,8 @@ class ScrollEndEffectController {
   ScrollEndEffectController() {}
   virtual ~ScrollEndEffectController() {}
 
-  static ScrollEndEffectController* Create();
+  static ScrollEndEffectController* Create(
+      ScrollEndEffectControllerDelegate* delegate);
 
   // Interface that allows vertical overscroll activies to be communicated to
   // the controller.