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

ui/message_center/views/message_center_bubble.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 "ui/message_center/views/message_center_bubble.h"
 
 #include "ui/message_center/message_center_style.h"
 #include "ui/message_center/views/message_center_view.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace message_center {
 
 // ContentsView ////////////////////////////////////////////////////////////////
 
 // Handles changes in MessageCenterView sizes.
 class ContentsView : public views::View {
  public:
   explicit ContentsView(MessageCenterBubble* bubble, views::View* contents);
   virtual ~ContentsView();
 
   // Overridden from views::View:
-  virtual int GetHeightForWidth(int width) OVERRIDE;
+  virtual int GetHeightForWidth(int width) const OVERRIDE;
 
  protected:
   // Overridden from views::View:
   virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
 
  private:
   base::WeakPtr<MessageCenterBubble> bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentsView);
 };
 
 ContentsView::ContentsView(MessageCenterBubble* bubble, views::View* contents)
     : bubble_(bubble->AsWeakPtr()) {
   SetLayoutManager(new views::FillLayout());
   AddChildView(contents);
 }
 
 ContentsView::~ContentsView() {
 }
 
-int ContentsView::GetHeightForWidth(int width) {
+int ContentsView::GetHeightForWidth(int width) const {
   DCHECK_EQ(1, child_count());
   int contents_width = std::max(width - GetInsets().width(), 0);
   int contents_height = child_at(0)->GetHeightForWidth(contents_width);
   return contents_height + GetInsets().height();
 }
 
 void ContentsView::ChildPreferredSizeChanged(View* child) {
   // TODO(dharcourt): Reduce the amount of updating this requires.
   if (bubble_.get())
     bubble_->bubble_view()->UpdateBubble();
@@ skipping 75 matching lines @@
 }
 
 void MessageCenterBubble::OnMouseExitedView() {
 }
 
 size_t MessageCenterBubble::NumMessageViewsForTest() const {
   return message_center_view_->NumMessageViewsForTest();
 }
 
 }  // namespace message_center