Convert SigninTracker to use OAuth2TokenService notifications

chrome/browser/signin/token_service.cc

 // Copyright 2013 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/prefs/pref_service.h"
 #include "base/strings/string_util.h"
@@ skipping 140 matching lines @@
   FOR_DIAGNOSTICS_OBSERVERS(
       NotifyTokenReceivedSuccess(signin_internals_util::kLSIDToken,
                                  credentials.lsid, true));
 }
 
 void TokenService::UpdateCredentialsWithOAuth2(
     const GaiaAuthConsumer::ClientOAuthResult& oauth2_tokens) {
   SaveOAuth2Credentials(oauth2_tokens);
 }
 
+void TokenService::ClearOAuth2Credentials() {
+  token_map_.erase(GaiaConstants::kGaiaOAuth2LoginRefreshToken);
+  if (token_web_data_.get()) {
+    token_web_data_->RemoveTokenForService(
+        GaiaConstants::kGaiaOAuth2LoginRefreshToken);
+  }
+
+  FOR_DIAGNOSTICS_OBSERVERS(
+      NotifyClearStoredToken(GaiaConstants::kGaiaOAuth2LoginRefreshToken));
+
+  FireTokenRequestFailedNotification(
+      GaiaConstants::kGaiaOAuth2LoginRefreshToken,
+      GoogleServiceAuthError(GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS));
+}
+
 void TokenService::LoadTokensFromDB() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (token_web_data_.get())
     token_loading_query_ = token_web_data_->GetAllTokens(this);
 }
 
 void TokenService::SaveAuthTokenToDB(const std::string& service,
                                      const std::string& auth_token) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (token_web_data_.get())
@@ skipping 272 matching lines @@
 
 void TokenService::AddSigninDiagnosticsObserver(
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.AddObserver(observer);
 }
 
 void TokenService::RemoveSigninDiagnosticsObserver(
     SigninDiagnosticsObserver* observer) {
   signin_diagnostics_observers_.RemoveObserver(observer);
 }