Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/base/oauth_token_getter_impl.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 REMOTING_BASE_OAUTH_TOKEN_GETTER_IMPL_H_
 #define REMOTING_BASE_OAUTH_TOKEN_GETTER_IMPL_H_
 
 #include <queue>
 
 #include "base/callback.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "google_apis/gaia/gaia_oauth_client.h"
 #include "remoting/base/oauth_token_getter.h"
 
 namespace net {
 class URLRequestContextGetter;
 }  // namespace net
 
 namespace remoting {
 
 // OAuthTokenGetter accepts an authorization code in the intermediate
 // credentials or a refresh token in the authorization credentials. It will
 // convert authorization code into a refresh token and access token, you may
 // pass in a callback to be notified when a refresh token has been updated.
 // OAuthTokenGetter will exchange refresh tokens for access tokens and will
 // cache access tokens, refreshing them as needed.
 // On first usage it is likely an application will only have an auth code,
 // from this you can get a refresh token which can be reused next app launch.
 class OAuthTokenGetterImpl : public OAuthTokenGetter,
-                             public base::NonThreadSafe,
                              public gaia::GaiaOAuthClient::Delegate {
  public:
   OAuthTokenGetterImpl(
       std::unique_ptr<OAuthIntermediateCredentials> intermediate_credentials,
       const OAuthTokenGetter::CredentialsUpdatedCallback& on_credentials_update,
       const scoped_refptr<net::URLRequestContextGetter>&
           url_request_context_getter,
       bool auto_refresh);
   OAuthTokenGetterImpl(
       std::unique_ptr<OAuthAuthorizationCredentials> authorization_credentials,
@@ skipping 33 matching lines @@
   OAuthTokenGetter::CredentialsUpdatedCallback credentials_updated_callback_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
 
   bool response_pending_ = false;
   bool email_verified_ = false;
   bool email_discovery_ = false;
   std::string oauth_access_token_;
   base::Time access_token_expiry_time_;
   std::queue<OAuthTokenGetter::TokenCallback> pending_callbacks_;
   std::unique_ptr<base::OneShotTimer> refresh_timer_;
+
+  SEQUENCE_CHECKER(sequence_checker_);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_OAUTH_TOKEN_GETTER_IMPL_H_