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

ui/message_center/views/toast_contents_view.h

 // Copyright (c) 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 UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_
 #define UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/gfx/animation/animation_delegate.h"
@@ skipping 21 matching lines @@
 
 // The widget host for a popup. Also implements MessageCenterController
 // which delegates over to MessagePopupCollection, but takes care about
 // checking the weakref since MessagePopupCollection may disappear before
 // widget/views are closed/destructed.
 class ToastContentsView : public views::WidgetDelegateView,
                           public MessageCenterController,
                           public gfx::AnimationDelegate {
  public:
   // Computes the size of a toast assuming it will host the given view.
-  static gfx::Size GetToastSizeForView(views::View* view);
+  static gfx::Size GetToastSizeForView(const views::View* view);
 
   ToastContentsView(const std::string& notification_id,
                     base::WeakPtr<MessagePopupCollection> collection);
   virtual ~ToastContentsView();
 
   // Sets the inner view of the toast. If it has contents already,
   // |a11y_feedback_for_updates| causes the view to notify that the
   // accessibility message should be read after this update.
   void SetContents(MessageView* view, bool a11y_feedback_for_updates);
 
@@ skipping 14 matching lines @@
   // there could be animation in progress that targets these values.
   gfx::Point origin() { return origin_; }
   gfx::Rect bounds() { return gfx::Rect(origin_, preferred_size_); }
 
   const std::string& id() { return id_; }
 
   // Overridden from views::View:
   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
   virtual void Layout() OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
 
  private:
   // Overridden from MessageCenterController:
   virtual void ClickOnNotification(const std::string& notification_id) OVERRIDE;
   virtual void RemoveNotification(const std::string& notification_id,
                                   bool by_user) OVERRIDE;
   virtual scoped_ptr<ui::MenuModel> CreateMenuModel(
       const NotifierId& notifier_id,
       const base::string16& display_source) OVERRIDE;
@@ skipping 47 matching lines @@
 
   gfx::Point origin_;
   gfx::Size preferred_size_;
 
   DISALLOW_COPY_AND_ASSIGN(ToastContentsView);
 };
 
 }  // namespace message_center
 
 #endif // UI_MESSAGE_CENTER_VIEWS_TOAST_CONTENTS_VIEW_H_