[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"
@@ skipping 24 matching lines @@
   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);
+  menu_model_.AddItemWithStringId(IDC_MEDIA_ROUTER_MANAGE_DEVICES,
+                                  IDS_MEDIA_ROUTER_MANAGE_DEVICES);
 #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 37 matching lines @@
 }
 
 void MediaRouterContextualMenu::ExecuteCommand(int command_id,
                                                int event_flags) {
   const char kAboutPageUrl[] =
       "https://www.google.com/chrome/devices/chromecast/";
   const char kCastHelpCenterPageUrl[] =
       "https://support.google.com/chromecast/topic/3447927";
   const char kCastLearnMorePageUrl[] =
       "https://support.google.com/chromecast/answer/2998338";
+  const char kManageCastDevicesUrl[] = "chrome://cast";
 
 #if defined(GOOGLE_CHROME_BUILD)
   PrefService* pref_service;
 #endif  // defined(GOOGLE_CHROME_BUILD)
   switch (command_id) {
     case IDC_MEDIA_ROUTER_ABOUT:
       chrome::ShowSingletonTab(browser_, GURL(kAboutPageUrl));
       break;
 #if defined(GOOGLE_CHROME_BUILD)
     case IDC_MEDIA_ROUTER_CLOUD_SERVICES_TOGGLE:
       pref_service = browser_->profile()->GetPrefs();
       pref_service->SetBoolean(prefs::kMediaRouterEnableCloudServices,
           !pref_service->GetBoolean(prefs::kMediaRouterEnableCloudServices));
 
       // If this has been set before, this is a no-op.
       pref_service->SetBoolean(prefs::kMediaRouterCloudServicesPrefSet,
                                true);
       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;
+    case IDC_MEDIA_ROUTER_MANAGE_DEVICES:
+      chrome::ShowSingletonTab(browser_, GURL(kManageCastDevicesUrl));

[apacible, 2016/06/27 19:54:56]

Do we expect this URL to change in the future? If not, this could be
kChromeUICastURL.

https://cs.chromium.org/chromium/src/chrome/common/url_constants.cc?l=150

[sheretov, 2016/06/27 20:17:26]

Done.

+      break;
     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);
 }