Fix a typo in an OAuth2TokenService classname

google_apis/gaia/oauth2_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 "google_apis/gaia/oauth2_token_service.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 60 matching lines @@
     const GoogleServiceAuthError& error,
     const std::string& access_token,
     const base::Time& expiration_date) {
   DCHECK(CalledOnValidThread());
   if (error.state() == GoogleServiceAuthError::NONE)
     consumer_->OnGetTokenSuccess(this, access_token, expiration_date);
   else
     consumer_->OnGetTokenFailure(this, error);
 }
 
-OAuth2TokenService::ScopedBacthChange::ScopedBacthChange(
+OAuth2TokenService::ScopedBatchChange::ScopedBatchChange(
     OAuth2TokenService* token_service) : token_service_(token_service) {
   DCHECK(token_service_);
   token_service_->StartBatchChanges();
 }
 
-OAuth2TokenService::ScopedBacthChange::~ScopedBacthChange() {
+OAuth2TokenService::ScopedBatchChange::~ScopedBatchChange() {
   token_service_->EndBatchChanges();
 }
 
 // Class that fetches an OAuth2 access token for a given account id and set of
 // scopes.
 //
 // It aims to meet OAuth2TokenService's requirements on token fetching. Retry
 // mechanism is used to handle failures.
 //
 // To use this class, call CreateAndStart() to create and start a Fetcher.
@@ skipping 45 matching lines @@
   void Cancel();
 
   const ScopeSet& GetScopeSet() const;
   const std::string& GetClientId() const;
   const std::string& GetAccountId() const;
 
   // The error result from this fetcher.
   const GoogleServiceAuthError& error() const { return error_; }
 
  protected:
-   // OAuth2AccessTokenConsumer
+  // OAuth2AccessTokenConsumer
   void OnGetTokenSuccess(const std::string& access_token,
                          const base::Time& expiration_date) override;
   void OnGetTokenFailure(const GoogleServiceAuthError& error) override;
 
  private:
   Fetcher(OAuth2TokenService* oauth2_token_service,
           const std::string& account_id,
           net::URLRequestContextGetter* getter,
           const std::string& client_id,
           const std::string& client_secret,
@@ skipping 645 matching lines @@
     const std::string& account_id,
     const ScopeSet& scopes) const {
   PendingFetcherMap::const_iterator iter = pending_fetchers_.find(
       OAuth2TokenService::RequestParameters(
           client_id,
           account_id,
           scopes));
   return iter == pending_fetchers_.end() ?
              0 : iter->second->GetWaitingRequestCount();
 }