Set timeout in sync setup

chrome/browser/ui/webui/sync_setup_handler.cc

Index: chrome/browser/ui/webui/sync_setup_handler.cc
diff --git a/chrome/browser/ui/webui/sync_setup_handler.cc b/chrome/browser/ui/webui/sync_setup_handler.cc
index 7a7d34e8836636538239b46853a990aba5aa3e81..1ff013ead17b72f76401033f4f311f1c21fe5bac 100644
--- a/chrome/browser/ui/webui/sync_setup_handler.cc
+++ b/chrome/browser/ui/webui/sync_setup_handler.cc
@@ -285,6 +285,8 @@ void SyncSetupHandler::GetStaticLocalizedValues(
 
   static OptionsStringResource resources[] = {
     { "syncSetupConfigureTitle", IDS_SYNC_SETUP_CONFIGURE_TITLE },
+    { "syncSetupTimeoutTitle", IDS_SYNC_SETUP_TIME_OUT_TITLE },
+    { "syncSetupTimeoutContent", IDS_SYNC_SETUP_TIME_OUT_CONTENT },
     { "cannotBeBlank", IDS_SYNC_CANNOT_BE_BLANK },
     { "emailLabel", IDS_SYNC_LOGIN_EMAIL_NEW_LINE },
     { "passwordLabel", IDS_SYNC_LOGIN_PASSWORD_NEW_LINE },
@@ -591,6 +593,26 @@ void SyncSetupHandler::DisplaySpinner() {
   configuring_sync_ = true;
   StringValue page("spinner");
   DictionaryValue args;
+
+  const int kTimeoutSec = 30;
+  DCHECK(!backend_start_timer_.get());
+  backend_start_timer_.reset(new base::OneShotTimer<SyncSetupHandler>());
+  backend_start_timer_->Start(FROM_HERE,
+                              base::TimeDelta::FromSeconds(kTimeoutSec),
+                              this, &SyncSetupHandler::DisplayTimeout);
+
+  web_ui()->CallJavascriptFunction(
+      "SyncSetupOverlay.showSyncSetupPage", page, args);
+}
+
+// TODO(kochi): Handle error conditions other than timeout.
+// http://crbug.com/128692
+void SyncSetupHandler::DisplayTimeout() {
+  // Stop setting up sync service
+  CloseSyncSetup();
+
+  StringValue page("timeout");
+  DictionaryValue args;
   web_ui()->CallJavascriptFunction(
       "SyncSetupOverlay.showSyncSetupPage", page, args);
 }
@@ -709,6 +731,9 @@ void SyncSetupHandler::GaiaCredentialsValid() {
 }
 
 void SyncSetupHandler::SigninFailed(const GoogleServiceAuthError& error) {
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
+
   last_signin_error_ = error;
   // Got a failed signin - this is either just a typical auth error, or a
   // sync error (treat sync errors as "fatal errors" - i.e. non-auth errors).
@@ -733,6 +758,9 @@ ProfileSyncService* SyncSetupHandler::GetSyncService() const {
 
 void SyncSetupHandler::SigninSuccess() {
   DCHECK(GetSyncService()->sync_initialized());
+  // Stop a timer to handle timeout in waiting for checking network connection.
+  backend_start_timer_.reset();
+
   // If we have signed in while sync is already setup, it must be due to some
   // kind of re-authentication flow. In that case, just close the signin dialog
   // rather than forcing the user to go through sync configuration.
@@ -1004,6 +1032,9 @@ LoginUIService* SyncSetupHandler::GetLoginUIService() const {
 }
 
 void SyncSetupHandler::CloseOverlay() {
+  // Stop a timer to handle timeout in waiting for sync setup.
+  backend_start_timer_.reset();
+
   CloseSyncSetup();
   web_ui()->CallJavascriptFunction("OptionsPage.closeOverlay");
 }