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

chrome/browser/ui/views/infobars/before_translate_infobar.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 "chrome/browser/ui/views/infobars/before_translate_infobar.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/translate/options_menu_model.h"
 #include "chrome/browser/translate/translate_infobar_delegate.h"
 #include "chrome/browser/ui/views/infobars/translate_language_menu_model.h"
@@ skipping 121 matching lines @@
   // the close button is the last child.
   TranslateInfoBarBase::ViewHierarchyChanged(details);
 
   // This must happen after adding all children because it triggers layout,
   // which assumes that particular children (e.g. the close button) have already
   // been added.
   UpdateLanguageButtonText(language_menu_button_,
       delegate->language_name_at(delegate->original_language_index()));
 }
 
-int BeforeTranslateInfoBar::ContentMinimumWidth() {
+int BeforeTranslateInfoBar::ContentMinimumWidth() const {
   return label_1_->GetMinimumSize().width() +
       label_2_->GetMinimumSize().width() + NonLabelWidth();
 }
 
 void BeforeTranslateInfoBar::ButtonPressed(views::Button* sender,
                                            const ui::Event& event) {
   if (!owner())
     return;  // We're closing; don't call anything, it might access the owner.
   TranslateInfoBarDelegate* delegate = GetDelegate();
   if (sender == accept_button_) {
@@ skipping 31 matching lines @@
       language_menu_button_->width() +
       (label_2_->text().empty() ? 0 : kButtonInLabelSpacing) +
       kEndOfLabelSpacing + accept_button_->width() + kButtonButtonSpacing +
       deny_button_->width() +
       (never_translate_button_ ?
           (kButtonButtonSpacing + never_translate_button_->width()) : 0) +
       (always_translate_button_ ?
           (kButtonButtonSpacing + always_translate_button_->width()) : 0) +
       kEndOfLabelSpacing + options_menu_button_->width();
 }