Stop returning the true root path of each filesystem from openFileSystem....

webkit/fileapi/file_system_context.cc

 // 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.
 
 #include "webkit/fileapi/file_system_context.h"
 
 #include "base/file_util.h"
 #include "base/message_loop_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_path_manager.h"
 #include "webkit/fileapi/file_system_usage_tracker.h"
+#include "webkit/fileapi/sandbox_mount_point_provider.h"
 
 namespace fileapi {
 
 FileSystemContext::FileSystemContext(
     scoped_refptr<base::MessageLoopProxy> file_message_loop,
     scoped_refptr<base::MessageLoopProxy> io_message_loop,
     scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy,
     const FilePath& profile_path,
     bool is_incognito,
     bool allow_file_access,
@@ skipping 21 matching lines @@
       (special_storage_policy_.get() &&
           special_storage_policy_->IsStorageUnlimited(origin));
 }
 
 void FileSystemContext::DeleteDataForOriginOnFileThread(
     const GURL& origin_url) {
   DCHECK(path_manager_.get());
   DCHECK(file_message_loop_->BelongsToCurrentThread());
 
   std::string origin_identifier =
-      FileSystemPathManager::GetOriginIdentifierFromURL(origin_url);
-  FilePath path_for_origin = path_manager_->base_path().AppendASCII(
+      SandboxMountPointProvider::GetOriginIdentifierFromURL(origin_url);
+  FilePath path_for_origin = sandbox_provider()->base_path().AppendASCII(
       origin_identifier);
 
   file_util::Delete(path_for_origin, true /* recursive */);
 }
 
 void FileSystemContext::DeleteOnCorrectThread() const {
   if (!io_message_loop_->BelongsToCurrentThread()) {
     io_message_loop_->DeleteSoon(FROM_HERE, this);
     return;
   }
   delete this;
 }
 
+SandboxMountPointProvider* FileSystemContext::sandbox_provider() const {
+  return path_manager_->sandbox_provider();
+}
+
 }  // namespace fileapi