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

ui/app_list/search_box_view.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_APP_LIST_SEARCH_BOX_VIEW_H_
 #define UI_APP_LIST_SEARCH_BOX_VIEW_H_
 
 #include <string>
 
 #include "ui/app_list/search_box_model_observer.h"
@@ skipping 38 matching lines @@
   // Updates model text and selection model with current Textfield info.
   void UpdateModel();
 
   // Fires query change notification.
   void NotifyQueryChanged();
 
   // Overridden from views::TextfieldController:
   virtual void ContentsChanged(views::Textfield* sender,
                                const string16& new_contents) OVERRIDE;
   virtual bool HandleKeyEvent(views::Textfield* sender,
-                              const views::KeyEvent& key_event) OVERRIDE;
+                              const ui::KeyEvent& key_event) OVERRIDE;
 
   // Overridden from SearchBoxModelObserver:
   virtual void IconChanged() OVERRIDE;
   virtual void HintTextChanged() OVERRIDE;
   virtual void SelectionModelChanged() OVERRIDE;
   virtual void TextChanged() OVERRIDE;
 
   SearchBoxViewDelegate* delegate_;  // Not owned.
   SearchBoxModel* model_;  // Owned by AppListModel.
 
   views::ImageView* icon_view_;  // Owned by views hierarchy.
   views::Textfield* search_box_;  // Owned by views hierarchy.
   views::View* contents_view_;  // Owned by views hierarchy.
 
   DISALLOW_COPY_AND_ASSIGN(SearchBoxView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_SEARCH_BOX_VIEW_H_