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

chrome/browser/ui/views/location_bar/location_bar_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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 240 matching lines @@
                                       int* right_margin);
 
   // LocationBar:
   virtual void FocusLocation(bool select_all) OVERRIDE;
   virtual void Revert() OVERRIDE;
   virtual OmniboxView* GetOmniboxView() OVERRIDE;
 
   // views::View:
   virtual bool HasFocus() const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual void Layout() OVERRIDE;
 
   // OmniboxEditController:
   virtual void Update(const content::WebContents* contents) OVERRIDE;
   virtual void ShowURL() OVERRIDE;
   virtual ToolbarModel* GetToolbarModel() OVERRIDE;
   virtual content::WebContents* GetWebContents() OVERRIDE;
 
   // Thickness of the edges of the omnibox background images, in normal mode.
   static const int kNormalEdgeThickness;
@@ skipping 253 matching lines @@
   // Used to register for notifications received by NotificationObserver.
   content::NotificationRegistrar registrar_;
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<LocationBarView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_