Simplify BrowserContext by removing redundant methods.

chrome/browser/browsing_data/browsing_data_remover.h

 // Copyright (c) 2012 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 CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 404 matching lines @@
   base::Time delete_end_;
 
   // True if Remove has been invoked.
   bool is_removing_;
 
   // If non-NULL, the |completion_inhibitor_| is notified each time an instance
   // is about to complete a browsing data removal process, and has the ability
   // to artificially delay completion. Used for testing.
   static CompletionInhibitor* completion_inhibitor_;
 
-  // Used to delete data from HTTP cache.
-  scoped_refptr<net::URLRequestContextGetter> main_context_getter_;
-  scoped_refptr<net::URLRequestContextGetter> media_context_getter_;
-
 #if defined(ENABLE_PLUGINS)
   // Used to delete plugin data.
   scoped_ptr<content::PluginDataRemover> plugin_data_remover_;
   base::WaitableEventWatcher watcher_;
 
   // Used to deauthorize content licenses for Pepper Flash.
   scoped_ptr<PepperFlashSettingsManager> pepper_flash_settings_manager_;
 #endif
 
   uint32_t deauthorize_content_licenses_request_id_ = 0;
@@ skipping 51 matching lines @@
   // not initialised, so the registry must be mocked out.
   scoped_ptr<WebappRegistry> webapp_registry_;
 #endif
 
   base::WeakPtrFactory<BrowsingDataRemover> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataRemover);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_