Fix appcache_service and request_context referencing.

webkit/appcache/appcache_service.cc

 // Copyright (c) 2009 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 "webkit/appcache/appcache_service.h"
 
 #include "base/logging.h"
 #include "base/ref_counted.h"
 #include "webkit/appcache/appcache.h"
 #include "webkit/appcache/appcache_backend_impl.h"
 #include "webkit/appcache/appcache_entry.h"
 #include "webkit/appcache/appcache_group.h"
 
 namespace appcache {
 
 AppCacheService::AppCacheService()
     : last_cache_id_(0), last_group_id_(0),
-      last_entry_id_(0), last_response_id_(0) {
+      last_entry_id_(0), last_response_id_(0),
+      request_context_(NULL) {
 }
 
 AppCacheService::~AppCacheService() {
   DCHECK(backends_.empty());
   DCHECK(caches_.empty());
   DCHECK(groups_.empty());
 }
 
 void AppCacheService::Initialize(const FilePath& cache_directory) {
   // An empty cache directory indicates chrome incognito.
@@ skipping 62 matching lines @@
     DCHECK(entry);
     if (entry)
       entry->add_types(AppCacheEntry::FOREIGN);
   }
 
   // TODO(michaeln): actually update in storage, and if this cache is
   // being loaded be sure to update the memory cache upon load completion.
 }
 
 }  // namespace appcache