Revert 92668 - Remove more unnecessary ChromeURLRequestContext members.

chrome/browser/browsing_data_appcache_helper.cc

Index: chrome/browser/browsing_data_appcache_helper.cc
===================================================================
--- chrome/browser/browsing_data_appcache_helper.cc	(revision 92669)
+++ chrome/browser/browsing_data_appcache_helper.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -14,8 +14,8 @@
 using appcache::AppCacheDatabase;
 
 BrowsingDataAppCacheHelper::BrowsingDataAppCacheHelper(Profile* profile)
-    : is_fetching_(false),
-      appcache_service_(profile->GetAppCacheService()) {
+    : request_context_getter_(profile->GetRequestContext()),
+      is_fetching_(false) {
 }
 
 void BrowsingDataAppCacheHelper::StartFetching(Callback0::Type* callback) {
@@ -34,8 +34,8 @@
   appcache_info_callback_ =
       new net::CancelableCompletionCallback<BrowsingDataAppCacheHelper>(
           this, &BrowsingDataAppCacheHelper::OnFetchComplete);
-  appcache_service_->GetAllAppCacheInfo(info_collection_,
-                                        appcache_info_callback_);
+  GetAppCacheService()->GetAllAppCacheInfo(info_collection_,
+                                           appcache_info_callback_);
 }
 
 void BrowsingDataAppCacheHelper::CancelNotification() {
@@ -58,7 +58,7 @@
         manifest_url));
     return;
   }
-  appcache_service_->DeleteAppCacheGroup(manifest_url, NULL);
+  GetAppCacheService()->DeleteAppCacheGroup(manifest_url, NULL);
 }
 
 BrowsingDataAppCacheHelper::~BrowsingDataAppCacheHelper() {}
@@ -92,6 +92,15 @@
   }
 }
 
+ChromeAppCacheService* BrowsingDataAppCacheHelper::GetAppCacheService() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  ChromeURLRequestContext* request_context =
+      reinterpret_cast<ChromeURLRequestContext*>(
+          request_context_getter_->GetURLRequestContext());
+  return request_context ? request_context->appcache_service()
+                         : NULL;
+}
+
 CannedBrowsingDataAppCacheHelper::CannedBrowsingDataAppCacheHelper(
     Profile* profile)
     : BrowsingDataAppCacheHelper(profile),