Replace views::Event with ui::Event.

ui/views/widget/widget.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
@@ skipping 561 matching lines @@
   // Releases capture.
   void ReleaseCapture();
 
   // Returns true if the widget has capture.
   bool HasCapture();
 
   // Returns the current event being processed. If there are multiple events
   // being processed at the same time (e.g. one event triggers another event),
   // then the most recent event is returned. Returns NULL if no event is being
   // processed.
-  const Event* GetCurrentEvent();
+  const ui::Event* GetCurrentEvent();
 
   // Invoked when the tooltip text changes for the specified views.
   void TooltipTextChanged(View* view);
 
   // Sets-up the focus manager with the view that should have focus when the
   // window is shown the first time.  Returns true if the initial focus has been
   // set or the widget should not set the initial focus, or false if the caller
   // should set the initial focus (if any).
   bool SetInitialFocus();
 
@@ skipping 201 matching lines @@
 
   // Is |root_layers_| out of date?
   bool root_layers_dirty_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_