ContentAPI change - Post DomStorage tasks via a SequencedTaskRunner instead of directly to WEBKIT_DE

chrome/browser/extensions/extension_data_deleter.cc

 // Copyright (c) 2011 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 "chrome/browser/extensions/extension_data_deleter.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 30 matching lines @@
   DCHECK(profile);
   scoped_refptr<ExtensionDataDeleter> deleter =
       new ExtensionDataDeleter(
           profile, extension_id, storage_origin, is_storage_isolated);
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(
           &ExtensionDataDeleter::DeleteCookiesOnIOThread, deleter));
 
-  BrowserThread::PostTask(
-      BrowserThread::WEBKIT_DEPRECATED, FROM_HERE,
+  scoped_refptr<DOMStorageContext> dom_storage_context =
+      BrowserContext::GetDOMStorageContext(profile);
+  dom_storage_context->task_runner()->PostTask(
+      FROM_HERE,
       base::Bind(
-          &ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread, deleter,
-          make_scoped_refptr(BrowserContext::GetDOMStorageContext(profile))));
+          &ExtensionDataDeleter::DeleteLocalStorageInSequencedTask, deleter,
+          dom_storage_context));
 
   BrowserThread::PostTask(
       BrowserThread::WEBKIT_DEPRECATED, FROM_HERE,
       base::Bind(
           &ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread, deleter,
           make_scoped_refptr(BrowserContext::GetIndexedDBContext(profile))));
 
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(
@@ skipping 52 matching lines @@
         storage_origin_, net::CookieMonster::DeleteCallback());
 }
 
 void ExtensionDataDeleter::DeleteDatabaseOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   int rv = database_tracker_->DeleteDataForOrigin(
       origin_id_, net::CompletionCallback());
   DCHECK(rv == net::OK || rv == net::ERR_IO_PENDING);
 }
 
-void ExtensionDataDeleter::DeleteLocalStorageOnWebkitThread(
-    scoped_refptr<DOMStorageContext> dom_storage_context) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT_DEPRECATED));
+void ExtensionDataDeleter::DeleteLocalStorageInSequencedTask(
+    DOMStorageContext* dom_storage_context) {
+  DCHECK(dom_storage_context->task_runner()->RunsTasksOnCurrentThread());
   dom_storage_context->DeleteForOrigin(origin_id_);
 }
 
 void ExtensionDataDeleter::DeleteIndexedDBOnWebkitThread(
     scoped_refptr<IndexedDBContext> indexed_db_context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT_DEPRECATED));
   indexed_db_context->DeleteForOrigin(storage_origin_);
 }
 
 void ExtensionDataDeleter::DeleteFileSystemOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   file_system_context_->DeleteDataForOriginOnFileThread(storage_origin_);
 
   // TODO(creis): The following call fails because the request context is still
   // around, and holding open file handles in this directory.
   // See http://crbug.com/85127
   if (!isolated_app_path_.empty())
     file_util::Delete(isolated_app_path_, true);
 }
 
 void ExtensionDataDeleter::DeleteAppcachesOnIOThread(ResourceContext* context) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   ResourceContext::GetAppCacheService(context)->DeleteAppCachesForOrigin(
       storage_origin_, net::CompletionCallback());
 }