views: Make view::Views::GetPreferredSize() const.

ui/app_list/views/search_result_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_RESULT_VIEW_H_
 #define UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 44 matching lines @@
 
   // Clears the selected action.
   void ClearSelectedAction();
 
  private:
   void UpdateTitleText();
   void UpdateDetailsText();
 
   // views::View overrides:
   virtual const char* GetClassName() const OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
   virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // views::ButtonListener overrides:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // views::ContextMenuController overrides:
@@ skipping 25 matching lines @@
   ProgressBarView* progress_bar_;  // Owned by views hierarchy.
 
   scoped_ptr<views::MenuRunner> context_menu_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchResultView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_