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

chrome/browser/ui/views/download/download_item_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.
 //
 // A ChromeView that implements one download on the Download shelf.
 // Each DownloadItemView contains an application icon, a text label
 // indicating the download's file name, a text label indicating the
 // download's status (such as the number of bytes downloaded so far)
 // and a button for canceling an in progress download, or opening
 // the completed download.
@@ skipping 58 matching lines @@
   // Returns the DownloadItem model object belonging to this item.
   content::DownloadItem* download() { return model_.download(); }
 
   // DownloadItem::Observer methods
   virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
   virtual void OnDownloadOpened(content::DownloadItem* download) OVERRIDE;
   virtual void OnDownloadDestroyed(content::DownloadItem* download) OVERRIDE;
 
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual void OnMouseMoved(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
   virtual bool GetTooltipText(const gfx::Point& p,
                               base::string16* tooltip) const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
@@ skipping 101 matching lines @@
 
   // Reverts from dangerous mode to normal download mode.
   void ClearWarningDialog();
 
   // Start displaying the dangerous download warning or the malicious download
   // warning.
   void ShowWarningDialog();
 
   // Sets |size| with the size of the Save and Discard buttons (they have the
   // same size).
-  gfx::Size GetButtonSize();
+  gfx::Size GetButtonSize() const;
 
   // Sizes the dangerous download label to a minimum width available using 2
   // lines.  The size is computed only the first time this method is invoked
   // and simply returned on subsequent calls.
   void SizeLabelToMinWidth();
 
   // Reenables the item after it has been disabled when a user clicked it to
   // open the downloaded file.
   void Reenable();
 
@@ skipping 94 matching lines @@
   views::LabelButton* save_button_;
   views::LabelButton* discard_button_;
 
   // Dangerous mode label.
   views::Label* dangerous_download_label_;
 
   // Whether the dangerous mode label has been sized yet.
   bool dangerous_download_label_sized_;
 
   // The size of the buttons.  Cached so animation works when hidden.
-  gfx::Size cached_button_size_;
+  mutable gfx::Size cached_button_size_;
 
   // Whether we are currently disabled as part of opening the downloaded file.
   bool disabled_while_opening_;
 
   // The time at which this view was created.
   base::Time creation_time_;
 
   // The time at which a dangerous download warning was displayed.
   base::Time time_download_warning_shown_;
 
   // Method factory used to delay reenabling of the item when opening the
   // downloaded file.
   base::WeakPtrFactory<DownloadItemView> weak_ptr_factory_;
 
   // The currently running download context menu.
   scoped_ptr<DownloadShelfContextMenuView> context_menu_;
 
   // The name of this view as reported to assistive technology.
   base::string16 accessible_name_;
 
   // The icon loaded in the download shelf is based on the file path of the
   // item.  Store the path used, so that we can detect a change in the path
   // and reload the icon.
   base::FilePath last_download_item_path_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_ITEM_VIEW_H__