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

ui/views/bubble/tray_bubble_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 UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_
 #define UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/mouse_watcher.h"
@@ skipping 57 matching lines @@
     // the user to enter the view.
     virtual void OnMouseEnteredView() = 0;
     virtual void OnMouseExitedView() = 0;
 
     // Called from GetAccessibleState(); should return the appropriate
     // accessible name for the bubble.
     virtual base::string16 GetAccessibleNameForBubble() = 0;
 
     // Passes responsibility for BubbleDelegateView::GetAnchorRect to the
     // delegate.
-    virtual gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
-                                    AnchorType anchor_type,
-                                    AnchorAlignment anchor_alignment) = 0;
+    virtual gfx::Rect GetAnchorRect(
+        views::Widget* anchor_widget,
+        AnchorType anchor_type,
+        AnchorAlignment anchor_alignment) const = 0;
 
     // Called when a bubble wants to hide/destroy itself (e.g. last visible
     // child view was closed).
     virtual void HideBubble(const TrayBubbleView* bubble_view) = 0;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Delegate);
   };
 
   struct VIEWS_EXPORT InitParams {
@@ skipping 55 matching lines @@
   bool is_gesture_dragging() const { return is_gesture_dragging_; }
 
   // Overridden from views::WidgetDelegate.
   virtual bool CanActivate() const OVERRIDE;
   virtual views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) OVERRIDE;
   virtual bool WidgetHasHitTestMask() const OVERRIDE;
   virtual void GetWidgetHitTestMask(gfx::Path* mask) const OVERRIDE;
 
   // Overridden from views::BubbleDelegateView.
-  virtual gfx::Rect GetAnchorRect() OVERRIDE;
+  virtual gfx::Rect GetAnchorRect() const OVERRIDE;
 
   // Overridden from views::View.
-  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 void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
 
   // Overridden from MouseWatcherListener
   virtual void MouseMovedOutOfHost() OVERRIDE;
 
  protected:
   TrayBubbleView(gfx::NativeView parent_window,
                  views::View* anchor,
@@ skipping 22 matching lines @@
 
   // Used to find any mouse movements.
   scoped_ptr<MouseWatcher> mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayBubbleView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_TRAY_BUBBLE_VIEW_H_