[Media Router] Add cloud services preferences.

chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc

Index: chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
diff --git a/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc b/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
index 558392be1ab906683cf1dcc77d5e3ce185a2af91..80630a8dcfc301588f53c7809845d25d7b38a1c9 100644
--- a/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
+++ b/chrome/browser/ui/webui/media_router/media_router_webui_message_handler.cc
@@ -349,11 +349,19 @@ void MediaRouterWebUIMessageHandler::OnRequestInitialData(
                        media_router_ui_->GetPresentationRequestSourceName()));
   initial_data.Set("castModes", cast_modes_list.release());
 
+  Profile* profile = Profile::FromWebUI(web_ui());
+
   bool first_run_flow_acknowledged =
-      Profile::FromWebUI(web_ui())->GetPrefs()->GetBoolean(
+      profile->GetPrefs()->GetBoolean(
           prefs::kMediaRouterFirstRunFlowAcknowledged);
   initial_data.SetBoolean("wasFirstRunFlowAcknowledged",
                           first_run_flow_acknowledged);
+#if defined(GOOGLE_CHROME_BUILD)
+  bool show_cloud_pref = profile->IsSyncAllowed() &&
+      !profile->GetPrefs()->GetBoolean(
+          prefs::kMediaRouterCloudServicesPrefSet);
+  initial_data.SetBoolean("showFirstRunFlowCloudPref", show_cloud_pref);
+#endif  // defined(GOOGLE_CHROME_BUILD)
 
   web_ui()->CallJavascriptFunction(kSetInitialData, initial_data);
   media_router_ui_->UIInitialized();
@@ -415,6 +423,19 @@ void MediaRouterWebUIMessageHandler::OnAcknowledgeFirstRunFlow(
   DVLOG(1) << "OnAcknowledgeFirstRunFlow";
   Profile::FromWebUI(web_ui())->GetPrefs()->SetBoolean(
       prefs::kMediaRouterFirstRunFlowAcknowledged, true);
+
+#if defined(GOOGLE_CHROME_BUILD)
+  bool enabled_cloud_services = false;
+  if (!args->GetBoolean(0, &enabled_cloud_services)) {
+    DVLOG(1) << "Unable to extract args.";
+    return;
+  }
+
+  Profile::FromWebUI(web_ui())->GetPrefs()->SetBoolean(
+      prefs::kMediaRouterEnableCloudServices, enabled_cloud_services);
+  Profile::FromWebUI(web_ui())->GetPrefs()->SetBoolean(
+      prefs::kMediaRouterCloudServicesPrefSet, true);
+#endif  // defined(GOOGLE_CHROME_BUILD)
 }
 
 void MediaRouterWebUIMessageHandler::OnActOnIssue(