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

chrome/browser/extensions/extension_view_host.h

 // Copyright 2013 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_EXTENSIONS_EXTENSION_VIEW_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
@@ skipping 34 matching lines @@
 #if defined(TOOLKIT_VIEWS)
   typedef ExtensionViewViews PlatformExtensionView;
 #elif defined(OS_MACOSX)
   typedef ExtensionViewMac PlatformExtensionView;
 #elif defined(OS_ANDROID)
   // Android does not support extensions.
   typedef ExtensionViewAndroid PlatformExtensionView;
 #endif
 
   PlatformExtensionView* view() { return view_.get(); }
+  const PlatformExtensionView* view() const { return view_.get(); }
 
   // Create an ExtensionView and tie it to this host and |browser|.  Note NULL
   // is a valid argument for |browser|.  Extension views may be bound to
   // tab-contents hosted in ExternalTabContainer objects, which do not
   // instantiate Browser objects.
   void CreateView(Browser* browser);
 
   void SetAssociatedWebContents(content::WebContents* web_contents);
 
   // Handles keyboard events that were not handled by HandleKeyboardEvent().
@@ skipping 75 matching lines @@
   // Observer to detect when the associated web contents is destroyed.
   class AssociatedWebContentsObserver;
   scoped_ptr<AssociatedWebContentsObserver> associated_web_contents_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionViewHost);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_VIEW_HOST_H_