[Media Router] Add experiment control logic.

chrome/browser/ui/toolbar/app_menu_model.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/toolbar/app_menu_model.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_util.h"
+#include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/browser/ui/bookmarks/bookmark_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
@@ skipping 842 matching lines @@
   }
   AddItemWithStringId(IDC_SHOW_DOWNLOADS, IDS_SHOW_DOWNLOADS);
   if (!browser_->profile()->IsGuestSession()) {
     bookmark_sub_menu_model_.reset(new BookmarkSubMenuModel(this, browser_));
     AddSubMenuWithStringId(IDC_BOOKMARKS_MENU, IDS_BOOKMARKS_MENU,
                            bookmark_sub_menu_model_.get());
   }
 
   CreateZoomMenu();
   AddItemWithStringId(IDC_PRINT, IDS_PRINT);
-  if (switches::MediaRouterEnabled() && !browser()->profile()->IsOffTheRecord())
+  if (media_router::MediaRouterEnabled() &&
+      !browser()->profile()->IsOffTheRecord()) {
     AddItemWithStringId(IDC_ROUTE_MEDIA, IDS_MEDIA_ROUTER_MENU_ITEM_TITLE);
+  }
+
   AddItemWithStringId(IDC_FIND, IDS_FIND);
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableDomDistiller))
     AddItemWithStringId(IDC_DISTILL_PAGE, IDS_DISTILL_PAGE);
   tools_menu_model_.reset(new ToolsMenuModel(this, browser_));
   AddSubMenuWithStringId(
       IDC_MORE_TOOLS_MENU, IDS_MORE_TOOLS_MENU, tools_menu_model_.get());
   // Append the full menu including separators. The final separator only gets
   // appended when this is a touch menu - otherwise it would get added twice.
   CreateCutCopyPasteMenu();
@@ skipping 123 matching lines @@
                        ->GetZoomPercent();
   }
   zoom_label_ = l10n_util::GetStringFUTF16(
       IDS_ZOOM_PERCENT, base::IntToString16(zoom_percent));
 }
 
 void AppMenuModel::OnZoomLevelChanged(
     const content::HostZoomMap::ZoomLevelChange& change) {
   UpdateZoomControls();
 }