Replace views::Event with ui::Event.

ui/views/examples/radio_button_example.cc

 // 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.
 
 #include "ui/views/examples/radio_button_example.h"
 
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "ui/views/controls/button/text_button.h"
 #include "ui/views/layout/grid_layout.h"
@@ skipping 32 matching lines @@
   for (size_t i = 0; i < arraysize(radio_buttons_); ++i) {
     layout->StartRow(0, 0);
     layout->AddView(radio_buttons_[i]);
   }
   layout->StartRow(0, 0);
   layout->AddView(select_);
   layout->StartRow(0, 0);
   layout->AddView(status_);
 }
 
-void RadioButtonExample::ButtonPressed(Button* sender, const Event& event) {
+void RadioButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
   if (sender == select_) {
     radio_buttons_[2]->SetChecked(true);
   } else if (sender == status_) {
     // Show the state of radio buttons.
     PrintStatus("Group: 1:%s, 2:%s, 3:%s",
                 BoolToOnOff(radio_buttons_[0]->checked()),
                 BoolToOnOff(radio_buttons_[1]->checked()),
                 BoolToOnOff(radio_buttons_[2]->checked()));
   } else {
     PrintStatus("Pressed! count:%d", ++count_);
   }
 }
 
 }  // namespace examples
 }  // namespace views