Replace views::Event with ui::Event.

ui/views/controls/button/button.h

 // Copyright (c) 2011 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_CONTROLS_BUTTON_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_
 
 #include "ui/views/view.h"
 
 namespace views {
 
 class Button;
 class Event;
 
 // An interface implemented by an object to let it know that a button was
 // pressed.
 class VIEWS_EXPORT ButtonListener {
  public:
-  virtual void ButtonPressed(Button* sender, const views::Event& event) = 0;
+  virtual void ButtonPressed(Button* sender, const ui::Event& event) = 0;
 
  protected:
   virtual ~ButtonListener() {}
 };
 
 // A View representing a button. Depending on the specific type, the button
 // could be implemented by a native control or custom rendered.
 class VIEWS_EXPORT Button : public View {
  public:
   virtual ~Button();
@@ skipping 13 matching lines @@
                               string16* tooltip) const OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
 
  protected:
   // Construct the Button with a Listener. The listener can be NULL. This can be
   // true of buttons that don't have a listener - e.g. menubuttons where there's
   // no default action and checkboxes.
   explicit Button(ButtonListener* listener);
 
   // Cause the button to notify the listener that a click occurred.
-  virtual void NotifyClick(const views::Event& event);
+  virtual void NotifyClick(const ui::Event& event);
 
   // The button's listener. Notified when clicked.
   ButtonListener* listener_;
 
  private:
   // The text shown in a tooltip.
   string16 tooltip_text_;
 
   // Accessibility data.
   string16 accessible_name_;
   string16 accessible_shortcut_;
 
   // The id tag associated with this button. Used to disambiguate buttons in
   // the ButtonListener implementation.
   int tag_;
 
   // Event flags present when the button was clicked.
   int mouse_event_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(Button);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_BUTTON_H_