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

chrome/browser/ui/views/frame/browser_non_client_frame_view_ash.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 CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 
 #include "ash/shell_observer.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 40 matching lines @@
   virtual void ResetWindowControls() OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
 
   // views::View overrides:
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
-  virtual gfx::Size GetMinimumSize() OVERRIDE;
+  virtual gfx::Size GetMinimumSize() const OVERRIDE;
 
   // ash::ShellObserver:
   virtual void OnMaximizeModeStarted() OVERRIDE;
   virtual void OnMaximizeModeEnded() OVERRIDE;
 
   // Overridden from chrome::TabIconViewModel:
   virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
   virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
 
  private:
@@ skipping 49 matching lines @@
   scoped_ptr<ash::HeaderPainter> header_painter_;
 
   // Updates the hittest bounds overrides based on the window show type.
   scoped_ptr<ash::FrameBorderHitTestController>
       frame_border_hit_test_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserNonClientFrameViewAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_