Replace views::Event with ui::Event.

ui/views/examples/progress_bar_example.cc

 // 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.
 
 #include "ui/views/examples/progress_bar_example.h"
 
 #include <algorithm>
 
 #include "base/utf_string_conversions.h"
 #include "ui/views/controls/button/text_button.h"
@@ skipping 41 matching lines @@
 
   layout->StartRow(0, 0);
   minus_button_ = new TextButton(this, ASCIIToUTF16("-"));
   layout->AddView(minus_button_);
   progress_bar_ = new ProgressBar();
   layout->AddView(progress_bar_);
   plus_button_ = new TextButton(this, ASCIIToUTF16("+"));
   layout->AddView(plus_button_);
 }
 
-void ProgressBarExample::ButtonPressed(Button* sender, const Event& event) {
+void ProgressBarExample::ButtonPressed(Button* sender, const ui::Event& event) {
   if (sender == minus_button_)
     current_percent_ = ClampToMin(current_percent_ - kStepSize);
   else if (sender == plus_button_)
     current_percent_ = ClampToMin(current_percent_ + kStepSize);
 
   progress_bar_->SetValue(current_percent_);
 }
 
 }  // namespace examples
 }  // namespace views