[Media Router] Add a context menu item to access the chrome://cast page

chrome/browser/ui/toolbar/media_router_contextual_menu.cc

 // Copyright 2015 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 "base/logging.h"
 #include "base/metrics/user_metrics.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/extensions/component_migration_helper.h"
 #include "chrome/browser/media/router/media_router_factory.h"
 #include "chrome/browser/media/router/mojo/media_router_mojo_impl.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/singleton_tabs.h"
 #include "chrome/browser/ui/toolbar/component_toolbar_actions_factory.h"
 #include "chrome/browser/ui/toolbar/media_router_contextual_menu.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_model.h"
+#include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "extensions/common/constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/menu_model_delegate.h"
 
 #if defined(GOOGLE_CHROME_BUILD)
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #endif  // defined(GOOGLE_CHROME_BUILD)
 
 MediaRouterContextualMenu::MediaRouterContextualMenu(Browser* browser)
     : browser_(browser),
       menu_model_(this) {
   menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_ABOUT,
                                   IDS_MEDIA_ROUTER_ABOUT);
   menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
   menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_LEARN_MORE,
                                   IDS_MEDIA_ROUTER_LEARN_MORE);
   menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_HELP,
                                   IDS_MEDIA_ROUTER_HELP);
   menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_REMOVE_TOOLBAR_ACTION,
                                   IDS_EXTENSIONS_UNINSTALL);
   menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)

[msw, 2016/06/27 20:51:37]

q: Is this not supported on Linux desktop?

[sheretov, 2016/06/27 21:16:59]

Correct: not supported on Linux.

https://cs.chromium.org/chromium/src/chrome/common/url_constants.h?l=140

+  menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_MANAGE_DEVICES,
+                                  IDS_MEDIA_ROUTER_MANAGE_DEVICES);
+#endif
 #if defined(GOOGLE_CHROME_BUILD)
   menu_model_.AddCheckItemWithStringId(IDC_MEDIA_ROUTER_CLOUD_SERVICES_TOGGLE,
                                        IDS_MEDIA_ROUTER_CLOUD_SERVICES_TOGGLE);
 #endif  // defined(GOOGLE_CHROME_BUILD)
   menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_REPORT_ISSUE,
                                   IDS_MEDIA_ROUTER_REPORT_ISSUE);
 }
 
 MediaRouterContextualMenu::~MediaRouterContextualMenu() {
 }
@@ skipping 64 matching lines @@
       break;
 #endif  // defined(GOOGLE_CHROME_BUILD)
     case IDC_MEDIA_ROUTER_HELP:
       chrome::ShowSingletonTab(browser_, GURL(kCastHelpCenterPageUrl));
       base::RecordAction(base::UserMetricsAction(
           "MediaRouter_Ui_Navigate_Help"));
       break;
     case IDC_MEDIA_ROUTER_LEARN_MORE:
       chrome::ShowSingletonTab(browser_, GURL(kCastLearnMorePageUrl));
       break;
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
+    case IDC_MEDIA_ROUTER_MANAGE_DEVICES:
+      chrome::ShowSingletonTab(browser_, GURL(chrome::kChromeUICastURL));
+      break;
+#endif
     case IDC_MEDIA_ROUTER_REMOVE_TOOLBAR_ACTION:
       RemoveMediaRouterComponentAction();
       break;
     case IDC_MEDIA_ROUTER_REPORT_ISSUE:
       ReportIssue();
       break;
     default:
       NOTREACHED();
   }
 }
@@ skipping 12 matching lines @@
                            std::string(url::kStandardSchemeSeparator) +
                            media_router->media_route_provider_extension_id() +
                            "/feedback.html");
   chrome::ShowSingletonTab(browser_, GURL(feedback_url));
 }
 
 void MediaRouterContextualMenu::RemoveMediaRouterComponentAction() {
   ToolbarActionsModel::Get(browser_->profile())->component_migration_helper()
       ->OnActionRemoved(ComponentToolbarActionsFactory::kMediaRouterActionId);
 }