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

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

 // Copyright 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/browser_view_layout.h"
 
 #include "base/observer_list.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
@@ skipping 352 matching lines @@
   const gfx::Rect dialog_bounds(dialog_host_->GetDialogPosition(gfx::Size()),
                                 dialog_host_->GetMaximumDialogSize());
   if (latest_dialog_bounds_ != dialog_bounds) {
     latest_dialog_bounds_ = dialog_bounds;
     dialog_host_->NotifyPositionRequiresUpdate();
   }
 }
 
 // Return the preferred size which is the size required to give each
 // children their respective preferred size.
-gfx::Size BrowserViewLayout::GetPreferredSize(views::View* host) {
+gfx::Size BrowserViewLayout::GetPreferredSize(const views::View* host) const {
   return gfx::Size();
 }
 
 //////////////////////////////////////////////////////////////////////////////
 // BrowserViewLayout, private:
 
 int BrowserViewLayout::LayoutTabStripRegion(int top) {
   if (!delegate_->IsTabStripVisible()) {
     tab_strip_->SetVisible(false);
     tab_strip_->SetBounds(0, 0, 0, 0);
@@ skipping 156 matching lines @@
   return bottom;
 }
 
 bool BrowserViewLayout::InfobarVisible() const {
   // Cast to a views::View to access GetPreferredSize().
   views::View* infobar_container = infobar_container_;
   // NOTE: Can't check if the size IsEmpty() since it's always 0-width.
   return browser_->SupportsWindowFeature(Browser::FEATURE_INFOBAR) &&
       (infobar_container->GetPreferredSize().height() != 0);
 }