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

chrome/browser/ui/views/message_center/message_center_widget_delegate.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_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_
 #define CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 54 matching lines @@
   virtual views::Widget* GetWidget() OVERRIDE;
   virtual const views::Widget* GetWidget() const OVERRIDE;
 
   // WidgetObserver overrides:
   virtual void OnWidgetActivationChanged(views::Widget* widget,
                                          bool active) OVERRIDE;
   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
 
   // View overrides:
   virtual void PreferredSizeChanged() OVERRIDE;
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual gfx::Size GetMaximumSize() OVERRIDE;
-  virtual int GetHeightForWidth(int width) OVERRIDE;
+  virtual int GetHeightForWidth(int width) const OVERRIDE;
   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
 
  private:
   // Creates and initializes the message center widget.
   void InitWidget();
 
   // Shifts the message center anchor point such that the mouse click point is
   // along the middle 60% of the width of the message center if taskbar is
   // horizontal aligned. If vertically aligned, ensures that mouse click point
   // is along the height of the message center (at least at a corner).
   gfx::Point GetCorrectedAnchor(gfx::Size calculated_size);
 
   // Calculates the message center bounds using the position info and the
   // corrected anchor.
   gfx::Rect GetMessageCenterBounds();
 
   // Insets of the message center border (set in MessageCenterFrameView).
   gfx::Insets border_insets_;
 
   // Info necessary to calculate the estimated position of the message center.
   PositionInfo pos_info_;
 
   WebNotificationTray* tray_;
 };
 
 }  // namespace message_center
 
 #endif  // CHROME_BROWSER_UI_VIEWS_MESSAGE_CENTER_MESSAGE_CENTER_WIDGET_DELEGATE_H_