Introduces the speech recognition UI to app_list.

ui/app_list/views/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_VIEWS_SEARCH_BOX_VIEW_H_
 #define UI_APP_LIST_VIEWS_SEARCH_BOX_VIEW_H_
 
 #include <string>
 
 #include "ui/app_list/search_box_model_observer.h"
@@ skipping 63 matching lines @@
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // Overridden from views::MenuButtonListener:
   virtual void OnMenuButtonClicked(View* source,
                                    const gfx::Point& point) OVERRIDE;
 
   // Overridden from SearchBoxModelObserver:
   virtual void IconChanged() OVERRIDE;
   virtual void SpeechRecognitionButtonPropChanged() OVERRIDE;
-  virtual void SetSpeechRecognitionButtonState(bool toggled) OVERRIDE;
   virtual void HintTextChanged() OVERRIDE;
   virtual void SelectionModelChanged() OVERRIDE;
   virtual void TextChanged() OVERRIDE;
 
   SearchBoxViewDelegate* delegate_;  // Not owned.
   AppListViewDelegate* view_delegate_;  // Not owned.
   AppListModel* model_;  // Owned by AppListView.
 
   scoped_ptr<AppListMenuViews> menu_;
 
   views::ImageView* icon_view_;  // Owned by views hierarchy.
-  views::ToggleImageButton* speech_button_;  // Owned by views hierarchy.
+  views::ImageButton* speech_button_;  // Owned by views hierarchy.
   views::MenuButton* menu_button_;  // 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_VIEWS_SEARCH_BOX_VIEW_H_