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

webkit/fileapi/file_system_usage_tracker.h

 // 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.
 
 #ifndef WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_
 
 #include <deque>
 #include <list>
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/ref_counted.h"
 #include "webkit/fileapi/file_system_types.h"
 
 class GURL;
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace fileapi {
 
-// Owned by the SandboxedFileSystemContext, which is a per-profile
-// instance, and has the same lifetime as the SandboxedFileSystemContext.
-// It's going to be created and destroyed on the IO thread in chrome.
-// (The destruction on the same thread where it is created was guaranteed
-// by its owner, SandboxedFileSystemContext.)
+// Owned by the FileSystemContext, which is a per-profile instance, and has the
+// same lifetime as the FileSystemContext.  It's going to be created and
+// destroyed on the IO thread in chrome.  (The destruction on the same thread
+// where it is created was guaranteed by its owner, FileSystemContext.)
 class FileSystemUsageTracker {
  public:
   FileSystemUsageTracker(
       scoped_refptr<base::MessageLoopProxy> file_message_loop,
       const FilePath& profile_path,
       bool is_incognito);
   ~FileSystemUsageTracker();
 
   // Get the amount of data stored in the filesystem specified by
   // |origin_url| and |type|.
@@ skipping 20 matching lines @@
   typedef std::list<GetUsageCallback*> PendingCallbackList;
   typedef std::map<std::string, PendingCallbackList> PendingUsageCallbackMap;
   PendingUsageCallbackMap pending_usage_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemUsageTracker);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_USAGE_TRACKER_H_