Revert 138444 - Always pass FileSystemContext to ObfuscatedFileUtil operations

webkit/fileapi/file_system_context.cc

 // 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.
 
 #include "webkit/fileapi/file_system_context.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/stl_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 60 matching lines @@
 }
 
 bool FileSystemContext::DeleteDataForOriginOnFileThread(
     const GURL& origin_url) {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(sandbox_provider());
 
   // Delete temporary and persistent data.
   return
       sandbox_provider()->DeleteOriginDataOnFileThread(
-          this, quota_manager_proxy(), origin_url, kFileSystemTypeTemporary) &&
+          quota_manager_proxy(), origin_url, kFileSystemTypeTemporary) &&
       sandbox_provider()->DeleteOriginDataOnFileThread(
-          this, quota_manager_proxy(), origin_url, kFileSystemTypePersistent);
+          quota_manager_proxy(), origin_url, kFileSystemTypePersistent);
 }
 
 bool FileSystemContext::DeleteDataForOriginAndTypeOnFileThread(
     const GURL& origin_url, FileSystemType type) {
   DCHECK(file_task_runner_->RunsTasksOnCurrentThread());
   if (type == fileapi::kFileSystemTypeTemporary ||
       type == fileapi::kFileSystemTypePersistent) {
     DCHECK(sandbox_provider());
     return sandbox_provider()->DeleteOriginDataOnFileThread(
-        this, quota_manager_proxy(), origin_url, type);
+        quota_manager_proxy(), origin_url, type);
   }
   return false;
 }
 
 FileSystemQuotaUtil*
 FileSystemContext::GetQuotaUtil(FileSystemType type) const {
   FileSystemMountPointProvider* mount_point_provider =
       GetMountPointProvider(type);
   if (!mount_point_provider)
     return NULL;
@@ skipping 105 matching lines @@
   if (!io_task_runner_->RunsTasksOnCurrentThread() &&
       io_task_runner_->DeleteSoon(FROM_HERE, this)) {
     return;
   }
   STLDeleteContainerPairSecondPointers(provider_map_.begin(),
                                        provider_map_.end());
   delete this;
 }
 
 }  // namespace fileapi