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

chrome/browser/ui/views/toolbar/toolbar_view.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/toolbar/toolbar_view.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/number_formatting.h"
 #include "base/prefs/pref_service.h"
@@ skipping 520 matching lines @@
 // ToolbarView, ui::AcceleratorProvider implementation:
 
 bool ToolbarView::GetAcceleratorForCommandId(int command_id,
     ui::Accelerator* accelerator) {
   return GetWidget()->GetAccelerator(command_id, accelerator);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, views::View overrides:
 
-gfx::Size ToolbarView::GetPreferredSize() {
+gfx::Size ToolbarView::GetPreferredSize() const {
   gfx::Size size(location_bar_->GetPreferredSize());
   if (is_display_mode_normal()) {
     size.Enlarge(
         kLeftEdgeSpacing + back_->GetPreferredSize().width() +
             forward_->GetPreferredSize().width() +
             reload_->GetPreferredSize().width() + kStandardSpacing +
             (show_home_button_.GetValue() ?
                 home_->GetPreferredSize().width() : 0) +
             (origin_chip_view_->visible() ?
                 (origin_chip_view_->GetPreferredSize().width() +
@@ skipping 325 matching lines @@
 
 void ToolbarView::OnShowHomeButtonChanged() {
   Layout();
   SchedulePaint();
 }
 
 int ToolbarView::content_shadow_height() const {
   return browser_->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH ?
       kContentShadowHeightAsh : kContentShadowHeight;
 }