Remove views::KeyEvent, replacing uses of it with ui::KeyEvent.

ui/views/examples/textfield_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/textfield_example.h"
 
 #include "base/utf_string_conversions.h"
+#include "ui/base/event.h"
 #include "ui/base/range/range.h"
 #include "ui/gfx/render_text.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/view.h"
 
 namespace views {
 namespace examples {
 
@@ skipping 44 matching lines @@
 void TextfieldExample::ContentsChanged(Textfield* sender,
                                        const string16& new_contents) {
   if (sender == name_) {
     PrintStatus("Name [%s]", UTF16ToUTF8(new_contents).c_str());
   } else if (sender == password_) {
     PrintStatus("Password [%s]", UTF16ToUTF8(new_contents).c_str());
   }
 }
 
 bool TextfieldExample::HandleKeyEvent(Textfield* sender,
-                                      const KeyEvent& key_event) {
+                                      const ui::KeyEvent& key_event) {
   return false;
 }
 
 void TextfieldExample::ButtonPressed(Button* sender,
                                      const Event& event) {
   if (sender == show_password_) {
     PrintStatus("Password [%s]", UTF16ToUTF8(password_->text()).c_str());
   } else if (sender == clear_all_) {
     string16 empty;
     name_->SetText(empty);
@@ skipping 22 matching lines @@
         strike.foreground = SK_ColorRED;
         strike.range = ui::Range(2 * fifth, 3 * fifth);
         name_->ApplyStyleRange(strike);
       }
     }
   }
 }
 
 }  // namespace examples
 }  // namespace views