views: implement width snapping for DialogDelegateViews

chrome/browser/ui/views/page_info/page_info_popup_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PAGE_INFO_PAGE_INFO_POPUP_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PAGE_INFO_PAGE_INFO_POPUP_VIEW_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
@@ skipping 106 matching lines @@
   void ButtonPressed(views::Button* button, const ui::Event& event) override;
 
   // views::LinkListener implementation.
   void LinkClicked(views::Link* source, int event_flags) override;
 
   // views::StyledLabelListener implementation.
   void StyledLabelLinkClicked(views::StyledLabel* label,
                               const gfx::Range& range,
                               int event_flags) override;
 
-  // views::View implementation.
-  gfx::Size GetPreferredSize() const override;
+  // views::DialogDelegateView implementation.
+  gfx::Size GetUnsnappedPreferredSize() const override;
 
   // PageInfoUI implementations.
   void SetCookieInfo(const CookieInfoList& cookie_info_list) override;
   void SetPermissionInfo(const PermissionInfoList& permission_info_list,
                          ChosenObjectInfoList chosen_object_info_list) override;
   void SetIdentityInfo(const IdentityInfo& identity_info) override;
 
   // Creates the contents of the |site_settings_view_|. The ownership of the
   // returned view is transferred to the caller.
   views::View* CreateSiteSettingsView(int side_margin) WARN_UNUSED_RESULT;
@@ skipping 37 matching lines @@
   // permissions section, and keep those views updated when the underlying
   // |Permission| changes.
   std::vector<std::unique_ptr<PermissionSelectorRow>> selector_rows_;
 
   base::WeakPtrFactory<PageInfoPopupView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PageInfoPopupView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PAGE_INFO_PAGE_INFO_POPUP_VIEW_H_