[Media Router] Add experiment control logic.

chrome/browser/ui/toolbar/wrench_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/wrench_menu_model.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/command_line.h"
@@ skipping 63 matching lines @@
 #include "base/win/windows_version.h"
 #include "chrome/browser/enumerate_modules_model_win.h"
 #include "chrome/browser/ui/metro_pin_tab_helper_win.h"
 #include "content/public/browser/gpu_data_manager.h"
 #endif
 
 #if defined(USE_ASH)
 #include "ash/shell.h"
 #endif
 
+#if defined(ENABLE_MEDIA_ROUTER)
+#include "chrome/browser/media/router/media_router_feature.h"
+#endif
+
 using base::UserMetricsAction;
 using content::WebContents;
 
 namespace {
 
 #if defined(OS_MACOSX)
 // An empty command used because of a bug in AppKit menus.
 // See comment in CreateActionToolbarOverflowMenu().
 const int kEmptyMenuItemCommand = 0;
 #endif
@@ skipping 788 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 defined(ENABLE_MEDIA_ROUTER)
+  if (media_router::MediaRouterEnabled() &&
+      !browser()->profile()->IsOffTheRecord())

[msw, 2015/10/23 20:18:43]

nit: add curly braces

[imcheng, 2015/10/23 21:39:26]

Done.

     AddItemWithStringId(IDC_ROUTE_MEDIA, IDS_MEDIA_ROUTER_MENU_ITEM_TITLE);
+#endif
   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 WrenchMenuModel::OnZoomLevelChanged(
     const content::HostZoomMap::ZoomLevelChange& change) {
   UpdateZoomControls();
 }