Bugfixes for the remoting setup wizard:

chrome/browser/remoting/setup_flow_login_step.cc

Index: chrome/browser/remoting/setup_flow_login_step.cc
diff --git a/chrome/browser/remoting/setup_flow_login_step.cc b/chrome/browser/remoting/setup_flow_login_step.cc
index 71ee79be700f0e26861002d7675fc4f0e515a846..ada7d2f5d5ff4be7bb42bc486ab5d2c76cf0eb1c 100644
--- a/chrome/browser/remoting/setup_flow_login_step.cc
+++ b/chrome/browser/remoting/setup_flow_login_step.cc
@@ -20,6 +20,11 @@ namespace remoting {
 static const wchar_t kLoginIFrameXPath[] = L"//iframe[@id='login']";
 
 SetupFlowLoginStep::SetupFlowLoginStep() { }
+
+SetupFlowLoginStep::SetupFlowLoginStep(const string16& error_message)
+    : error_message_(error_message) {
+}
+
 SetupFlowLoginStep::~SetupFlowLoginStep() { }
 
 void SetupFlowLoginStep::HandleMessage(const std::string& message,
@@ -41,17 +46,18 @@ void SetupFlowLoginStep::HandleMessage(const std::string& message,
 
     CHECK(parsed_value->IsType(Value::TYPE_DICTIONARY));
 
-    std::string username, password, captcha;
+    std::string username, password, captcha, access_code;
     const DictionaryValue* result =
         static_cast<const DictionaryValue*>(parsed_value.get());
     if (!result->GetString("user", &username) ||
         !result->GetString("pass", &password) ||
-        !result->GetString("captcha", &captcha)) {
+        !result->GetString("captcha", &captcha) ||
+        !result->GetString("access_code", &access_code)) {
       NOTREACHED() << "Unable to parse auth data";
       return;
     }
 
-    OnUserSubmittedAuth(username, password, captcha);
+    OnUserSubmittedAuth(username, password, captcha, access_code);
   }
 }
 
@@ -62,14 +68,22 @@ void SetupFlowLoginStep::Cancel() {
 
 void SetupFlowLoginStep::OnUserSubmittedAuth(const std::string& user,
                                              const std::string& password,
-                                             const std::string& captcha) {
+                                             const std::string& captcha,
+                                             const std::string& access_code) {
   flow()->context()->login = user;
 
   // Start the authenticator.
   authenticator_.reset(
       new GaiaAuthFetcher(this, GaiaConstants::kChromeSource,
                           flow()->profile()->GetRequestContext()));
-  authenticator_->StartClientLogin(user, password,
+
+  std::string remoting_password;
+  if (!access_code.empty())
+    remoting_password = access_code;
+  else
+    remoting_password = password;
+
+  authenticator_->StartClientLogin(user, remoting_password,
                                    GaiaConstants::kRemotingService,
                                    "", captcha,
                                    GaiaAuthFetcher::HostedAccountsAllowed);
@@ -112,6 +126,8 @@ void SetupFlowLoginStep::DoStart() {
   // TODO(sergeyu): Supply current login name if the service was started before.
   args.SetString("user", "");
   args.SetBoolean("editable_user", true);
+  if (!error_message_.empty())
+    args.SetString("error_message", error_message_);
   ShowGaiaLogin(args);
 }
 
@@ -123,14 +139,13 @@ void SetupFlowLoginStep::ShowGaiaLogin(const DictionaryValue& args) {
 
   std::string json;
   base::JSONWriter::Write(&args, false, &json);
-  std::wstring javascript = std::wstring(L"showGaiaLogin") +
-      L"(" + UTF8ToWide(json) + L");";
+  std::wstring javascript = std::wstring(L"showGaiaLogin(") +
+      UTF8ToWide(json) + L");";
   ExecuteJavascriptInIFrame(kLoginIFrameXPath, javascript);
 }
 
 void SetupFlowLoginStep::ShowGaiaFailed(const GoogleServiceAuthError& error) {
   DictionaryValue args;
-  args.SetString("user", "");
   args.SetInteger("error", error.state());
   args.SetBoolean("editable_user", true);
   args.SetString("captchaUrl", error.captcha().image_url.spec());