AppCache: Remove dead code from AppCacheService

content/browser/appcache/appcache_service_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 CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_
 
 #include <map>
 #include <set>
 
@@ skipping 81 matching lines @@
 
   void RemoveObserver(Observer* observer) {
     observers_.RemoveObserver(observer);
   }
 
   // For use in catastrophic failure modes to reboot the appcache system
   // without relaunching the browser.
   void ScheduleReinitialize();
 
   // AppCacheService implementation:
-  void CanHandleMainResourceOffline(
-      const GURL& url,
-      const GURL& first_party,
-      const net::CompletionCallback& callback) override;
   void GetAllAppCacheInfo(AppCacheInfoCollection* collection,
                           const net::CompletionCallback& callback) override;
   void DeleteAppCacheGroup(const GURL& manifest_url,
                            const net::CompletionCallback& callback) override;
 
   // Deletes all appcaches for the origin, 'callback' is invoked upon
   // completion. This method always completes asynchronously.
   // (virtual for unit testing)
   virtual void DeleteAppCachesForOrigin(
       const GURL& origin, const net::CompletionCallback& callback);
@@ skipping 64 matching lines @@
   void set_force_keep_session_state() { force_keep_session_state_ = true; }
   bool force_keep_session_state() const { return force_keep_session_state_; }
 
  protected:
   friend class content::AppCacheServiceImplTest;
   friend class content::AppCacheStorageImplTest;
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheServiceImplTest,
       ScheduleReinitialize);
 
   class AsyncHelper;
-  class CanHandleOfflineHelper;
   class DeleteHelper;
   class DeleteOriginHelper;
   class GetInfoHelper;
   class CheckResponseHelper;
 
   typedef std::set<AsyncHelper*> PendingAsyncHelpers;
   typedef std::map<int, AppCacheBackendImpl*> BackendMap;
 
   void Reinitialize();
 
@@ skipping 19 matching lines @@
 
  private:
   base::WeakPtrFactory<AppCacheServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_SERVICE_IMPL_H_