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

ui/app_list/views/app_list_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 "ui/app_list/views/app_list_view.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
@@ skipping 180 matching lines @@
 }
 
 void AppListView::UpdateBounds() {
   SizeToContents();
 }
 
 bool AppListView::ShouldCenterWindow() const {
   return delegate_->ShouldCenterWindow();
 }
 
-gfx::Size AppListView::GetPreferredSize() {
+gfx::Size AppListView::GetPreferredSize() const {
   return app_list_main_view_->GetPreferredSize();
 }
 
 void AppListView::Paint(gfx::Canvas* canvas, const views::CullSet& cull_set) {
   views::BubbleDelegateView::Paint(canvas, cull_set);
   if (!next_paint_callback_.is_null()) {
     next_paint_callback_.Run();
     next_paint_callback_.Reset();
   }
 }
@@ skipping 299 matching lines @@
 #else
   speech_view_->SetVisible(recognizing);
   app_list_main_view_->SetVisible(!recognizing);
 
   // Needs to schedule paint of AppListView itself, to repaint the background.
   GetBubbleFrameView()->SchedulePaint();
 #endif
 }
 
 }  // namespace app_list