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

chrome/browser/ui/views/autofill/info_bubble.cc

 // Copyright 2013 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/autofill/info_bubble.h"
 
 #include "base/i18n/rtl.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
@@ skipping 109 matching lines @@
 views::NonClientFrameView* InfoBubble::CreateNonClientFrameView(
     views::Widget* widget) {
   DCHECK(!frame_);
   frame_ = new InfoBubbleFrame(margins());
   frame_->set_available_bounds(anchor_widget()->GetWindowBoundsInScreen());
   frame_->SetBubbleBorder(scoped_ptr<views::BubbleBorder>(
       new views::BubbleBorder(arrow(), shadow(), color())));
   return frame_;
 }
 
-gfx::Size InfoBubble::GetPreferredSize() {
+gfx::Size InfoBubble::GetPreferredSize() const {
   int pref_width = preferred_width_;
   pref_width -= frame_->GetInsets().width();
   pref_width -= 2 * kBubbleBorderVisibleWidth;
   return gfx::Size(pref_width, GetHeightForWidth(pref_width));
 }
 
 void InfoBubble::OnWidgetDestroyed(views::Widget* widget) {
   if (widget == widget_)
     widget_ = NULL;
 }
 
 void InfoBubble::OnWidgetBoundsChanged(views::Widget* widget,
                                        const gfx::Rect& new_bounds) {
   views::BubbleDelegateView::OnWidgetBoundsChanged(widget, new_bounds);
   if (anchor_widget() == widget)
     frame_->set_available_bounds(widget->GetWindowBoundsInScreen());
 }
 
 }  // namespace autofill