Replace views::MouseEvent with ui::MouseEvent

ash/launcher/launcher_button.h

Index: ash/launcher/launcher_button.h
===================================================================
--- ash/launcher/launcher_button.h	(revision 151406)
+++ ash/launcher/launcher_button.h	(working copy)
@@ -82,13 +82,13 @@
   };
 
   // View overrides:
-  virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
+  virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
+  virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
-  virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseMoved(const views::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseExited(const views::MouseEvent& event) OVERRIDE;
+  virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
+  virtual void OnMouseMoved(const ui::MouseEvent& event) OVERRIDE;
+  virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
+  virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
   virtual ui::GestureStatus OnGestureEvent(const views::GestureEvent& event)
       OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;