Cleanup: Correctly spell success(ful).

chrome/browser/signin/mutable_profile_oauth2_token_service_delegate.cc

 // Copyright 2015 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/mutable_profile_oauth2_token_service_delegate.h"
 
 #include "base/profiler/scoped_tracker.h"
 #include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/browser/signin_metrics.h"
 #include "components/signin/core/browser/webdata/token_web_data.h"
@@ skipping 24 matching lines @@
 }
 
 std::string RemoveAccountIdPrefix(const std::string& prefixed_account_id) {
   return prefixed_account_id.substr(kAccountIdPrefixLength);
 }
 
 }  // namespace
 
 // This class sends a request to GAIA to revoke the given refresh token from
 // the server.  This is a best effort attempt only.  This class deletes itself
-// when done sucessfully or otherwise.
+// when done successfully or otherwise.
 class MutableProfileOAuth2TokenServiceDelegate::RevokeServerRefreshToken
     : public GaiaAuthConsumer {
  public:
   RevokeServerRefreshToken(
       MutableProfileOAuth2TokenServiceDelegate* token_service_delegate,
       const std::string& account_id);
   ~RevokeServerRefreshToken() override;
 
  private:
   // GaiaAuthConsumer overrides:
@@ skipping 456 matching lines @@
   CancelWebTokenFetch();
   refresh_tokens_.clear();
 }
 
 void MutableProfileOAuth2TokenServiceDelegate::OnNetworkChanged(
     net::NetworkChangeNotifier::ConnectionType type) {
   // If our network has changed, reset the backoff timer so that errors caused
   // by a previous lack of network connectivity don't prevent new requests.
   backoff_entry_.Reset();
 }