Updated SigninManager and TokenService to generate notifications at signout.

chrome/browser/signin/signin_manager.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/signin/signin_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 312 matching lines @@
     return;
   }
 
   ClearTransientSigninData();
   authenticated_username_.clear();
   profile_->GetPrefs()->ClearPref(prefs::kGoogleServicesUsername);
   profile_->GetPrefs()->ClearPref(prefs::kIsGooglePlusUser);
   TokenService* token_service = TokenServiceFactory::GetForProfile(profile_);
   token_service->ResetCredentialsInMemory();
   token_service->EraseTokensFromDB();
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_GOOGLE_SIGNED_OUT,
+      content::Source<Profile>(profile_),
+      content::NotificationService::NoDetails());
 }
 
 bool SigninManager::AuthInProgress() const {
   return !possibly_invalid_username_.empty();
 }
 
 void SigninManager::OnGetUserInfoKeyNotFound(const std::string& key) {
   DCHECK(key == kGetInfoEmailKey);
   LOG(ERROR) << "Account is not associated with a valid email address. "
              << "Login failed.";
@@ skipping 119 matching lines @@
                                               profile_->GetRequestContext()));
     }
 
     client_login_->StartMergeSession(tok_details->token());
 
     // We only want to do this once per sign-in.
     CleanupNotificationRegistration();
   }
 #endif
 }