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

chrome/browser/ui/views/frame/browser_view_layout.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_VIEW_LAYOUT_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
@@ skipping 66 matching lines @@
   gfx::Rect GetFindBarBoundingBox() const;
 
   // Tests to see if the specified |point| (in nonclient view's coordinates)
   // is within the views managed by the laymanager. Returns one of
   // HitTestCompat enum defined in ui/base/hit_test.h.
   // See also ClientView::NonClientHitTest.
   int NonClientHitTest(const gfx::Point& point);
 
   // views::LayoutManager overrides:
   virtual void Layout(views::View* host) OVERRIDE;
-  virtual gfx::Size GetPreferredSize(views::View* host) OVERRIDE;
+  virtual gfx::Size GetPreferredSize(const views::View* host) const OVERRIDE;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, BrowserViewLayout);
   FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, Layout);
   FRIEND_TEST_ALL_PREFIXES(BrowserViewLayoutTest, LayoutDownloadShelf);
   class WebContentsModalDialogHostViews;
 
   Browser* browser() { return browser_; }
 
   // Layout the following controls, starting at |top|, returns the coordinate
@@ skipping 65 matching lines @@
   gfx::Rect latest_dialog_bounds_;
 
   // The distance the web contents modal dialog is from the top of the window,
   // in pixels.
   int web_contents_modal_dialog_top_y_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewLayout);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_