[rAc] Fetch username concurrently with fetching Wallet items.

chrome/browser/ui/autofill/autofill_dialog_controller_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 543 matching lines @@
   // interacting with this dialog.
   AutofillMetrics::DialogInitialUserStateMetric GetInitialUserState() const;
 
   // Shows an educational bubble if a new credit card was saved or the first few
   // times an Online Wallet fronting card was generated.
   void MaybeShowCreditCardBubble();
 
   // Called when the delay for enabling the submit button ends.
   void OnSubmitButtonDelayEnd();
 
+  // Initiates a fetch of the user's current Wallet cookie and Google username.
+  void FetchWalletCookieAndUserName();
+
   // The |profile| for |contents_|.
   Profile* const profile_;
 
   // For logging UMA metrics.
   const AutofillMetrics metric_logger_;
   base::Time dialog_shown_timestamp_;
   AutofillMetrics::DialogInitialUserStateMetric initial_user_state_;
 
   FormStructure form_structure_;
 
   // Whether the URL visible to the user when this dialog was requested to be
   // invoked is the same as |source_url_|.
   bool invoked_from_same_origin_;
 
   // The URL of the invoking site.
   GURL source_url_;
 
   // The callback via which we return the collected data.
   base::Callback<void(const FormStructure*)> callback_;
 
   // The AccountChooserModel acts as the MenuModel for the account chooser,
   // and also tracks which data source the dialog is using.
   AccountChooserModel account_chooser_model_;
 
-  // The sign-in helper to fetch the user info and perform passive sign-in.
-  // The helper is set only during fetch/sign-in, and NULL otherwise.
+  // The sign-in helper to fetch the user's Wallet cookie and to perform passive
+  // sign-in. The helper is set only during fetch/sign-in, and NULL otherwise.
   scoped_ptr<wallet::WalletSigninHelper> signin_helper_;
 
+  // The sign-in helper to fetch the user's human-readable username. The helper
+  // is set only while fetching the username, and NULL otherwise.
+  scoped_ptr<wallet::WalletSigninHelper> username_fetcher_;
+
   // A client to talk to the Online Wallet API.
   wallet::WalletClient wallet_client_;
 
   // Recently received items retrieved via |wallet_client_|.
   scoped_ptr<wallet::WalletItems> wallet_items_;
   scoped_ptr<wallet::FullWallet> full_wallet_;
 
   // The default active instrument and shipping address object IDs as of the
   // last time Wallet items were fetched. These variables are only set
   // (i.e. non-empty) when the Wallet items are being re-fetched.
@@ skipping 137 matching lines @@
 
   // A username string we display in the card scrambling/generated overlay.
   base::string16 submitted_cardholder_name_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillDialogControllerImpl);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_