Add gaia_id to ProfileInfoCache.

chrome/browser/signin/chrome_signin_client.h

 // Copyright 2014 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_SIGNIN_CHROME_SIGNIN_CLIENT_H_
 #define CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "components/signin/core/browser/signin_client.h"
@@ skipping 41 matching lines @@
 
   // Returns a string describing the chrome version environment. Version format:
   // <Build Info> <OS> <Version number> (<Last change>)<channel or "-devel">
   // If version information is unavailable, returns "invalid."
   std::string GetProductVersion() override;
   scoped_ptr<CookieChangedSubscription> AddCookieChangedCallback(
       const GURL& url,
       const std::string& name,
       const net::CookieStore::CookieChangedCallback& callback) override;
   void OnSignedIn(const std::string& account_id,
+                  const std::string& gaia_id,
                   const std::string& username,
                   const std::string& password) override;
   void PostSignedIn(const std::string& account_id,
                     const std::string& username,
                     const std::string& password) override;
   bool UpdateAccountInfo(
       AccountTrackerService::AccountInfo* out_account_info) override;
 
   // SigninErrorController::Observer implementation.
   void OnErrorChanged() override;
 
 #if !defined(OS_CHROMEOS)
   // net::NetworkChangeController::NetworkChangeObserver implementation.
   void OnNetworkChanged(net::NetworkChangeNotifier::ConnectionType type)
       override;
 #endif
 
  private:
   Profile* profile_;
 
   SigninErrorController* signin_error_controller_;
 #if !defined(OS_CHROMEOS)
   std::list<base::Closure> delayed_callbacks_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ChromeSigninClient);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_CLIENT_H_