Reset gaia given name upon signout

chrome/browser/profiles/gaia_info_update_service.cc

 // 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.
 
 #include "chrome/browser/profiles/gaia_info_update_service.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 141 matching lines @@
 void GAIAInfoUpdateService::OnUsernameChanged(const std::string& username) {
   ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
   size_t profile_index = cache.GetIndexOfProfileWithPath(profile_->GetPath());
   if (profile_index == std::string::npos)
     return;
 
   if (username.empty()) {
     // Unset the old user's GAIA info.
     cache.SetGAIANameOfProfileAtIndex(profile_index, base::string16());
+    cache.SetGAIAGivenNameOfProfileAtIndex(profile_index, base::string16());
     // The profile index may have changed.
     profile_index = cache.GetIndexOfProfileWithPath(profile_->GetPath());
     if (profile_index == std::string::npos)
       return;
     cache.SetGAIAPictureOfProfileAtIndex(profile_index, NULL);
     // Unset the cached URL.
     profile_->GetPrefs()->ClearPref(prefs::kProfileGAIAInfoPictureURL);
   } else {
     // Update the new user's GAIA info.
     Update();
@@ skipping 32 matching lines @@
 
 void GAIAInfoUpdateService::GoogleSigninSucceeded(
     const std::string& username,
     const std::string& password) {
   OnUsernameChanged(username);
 }
 
 void GAIAInfoUpdateService::GoogleSignedOut(const std::string& username) {
   OnUsernameChanged(std::string());
 }