Remove modules/filesystem/DraggedIsolatedFileSystem.h dependency from core/DEPS.

Source/modules/filesystem/DraggedIsolatedFileSystem.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "platform/Supplementable.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/MainThread.h"
 
 namespace WebCore {
 
 DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem()
 {
 }
 
-DOMFileSystem* DraggedIsolatedFileSystem::getDOMFileSystem(ExecutionContext* executionContext)
+DOMFileSystem* DraggedIsolatedFileSystem::getDOMFileSystem(DataObject* host, ExecutionContext* executionContext)
 {
-    ASSERT(!m_filesystemId.isEmpty());
-    if (!m_filesystem)
-        m_filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, m_filesystemId);
-    return m_filesystem.get();
+    DraggedIsolatedFileSystem* draggedIsolatedFileSystem = from(host);
+    if (!draggedIsolatedFileSystem)
+        return 0;
+    if (!draggedIsolatedFileSystem->m_filesystem)
+        draggedIsolatedFileSystem->m_filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, host->filesystemId());
+    return draggedIsolatedFileSystem->m_filesystem.get();
 }
 
 // static
 const char* DraggedIsolatedFileSystem::supplementName()
 {
     ASSERT(isMainThread());
     return "DraggedIsolatedFileSystem";
 }
 
 DraggedIsolatedFileSystem* DraggedIsolatedFileSystem::from(DataObject* dataObject)
 {
     return static_cast<DraggedIsolatedFileSystem*>(WillBeHeapSupplement<DataObject>::from(dataObject, supplementName()));
 }
 
-DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(const String& filesystemId)
-    : m_filesystemId(filesystemId)
+DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(DataObject& host, const String& filesystemId)
 {
+    host.setFilesystemId(filesystemId);
 }
 
 void DraggedIsolatedFileSystem::trace(Visitor* visitor)
 {
     visitor->trace(m_filesystem);
 }
 
 } // namespace WebCore