Updated SigninManager and TokenService to generate notifications at signout.

chrome/browser/signin/token_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/signin/token_service.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 139 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // Try to track down http://crbug.com/121755 - we should never clear the
   // token DB while we're still logged in.
   if (profile_) {
     std::string user = profile_->GetPrefs()->GetString(
         prefs::kGoogleServicesUsername);
     CHECK(user.empty());
   }
   if (web_data_service_.get())
     web_data_service_->RemoveAllTokens();
+
+  content::NotificationService::current()->Notify(
+      chrome::NOTIFICATION_TOKENS_CLEARED,
+      content::Source<TokenService>(this),
+      content::NotificationService::NoDetails());
 }
 
 bool TokenService::TokensLoadedFromDB() const {
   return tokens_loaded_;
 }
 
 // static
 int TokenService::GetServiceIndex(const std::string& service) {
   for (size_t i = 0; i < arraysize(kServices); ++i) {
     if (kServices[i] == service)
@@ skipping 213 matching lines @@
 }
 
 void TokenService::Observe(int type,
                            const content::NotificationSource& source,
                            const content::NotificationDetails& details) {
   DCHECK_EQ(type, chrome::NOTIFICATION_TOKEN_UPDATED);
   TokenAvailableDetails* tok_details =
       content::Details<TokenAvailableDetails>(details).ptr();
   OnIssueAuthTokenSuccess(tok_details->service(), tok_details->token());
 }