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

chrome/browser/ui/views/frame/opaque_browser_frame_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 172 matching lines @@
 
 int OpaqueBrowserFrameView::GetThemeBackgroundXInset() const {
   return 0;
 }
 
 void OpaqueBrowserFrameView::UpdateThrobber(bool running) {
   if (window_icon_)
     window_icon_->Update();
 }
 
-gfx::Size OpaqueBrowserFrameView::GetMinimumSize() {
+gfx::Size OpaqueBrowserFrameView::GetMinimumSize() const {
   return layout_->GetMinimumSize(width());
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // OpaqueBrowserFrameView, views::NonClientFrameView implementation:
 
 gfx::Rect OpaqueBrowserFrameView::GetBoundsForClientView() const {
   return layout_->client_view_bounds();
 }
 
@@ skipping 698 matching lines @@
 
 int OpaqueBrowserFrameView::GetTopAreaHeight() const {
   gfx::ImageSkia* frame_image = GetFrameImage();
   int top_area_height = frame_image->height();
   if (browser_view()->IsTabStripVisible()) {
     top_area_height = std::max(top_area_height,
       GetBoundsForTabStrip(browser_view()->tabstrip()).bottom());
   }
   return top_area_height;
 }