Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/Modules/filesystem/chromium/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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "DraggedIsolatedFileSystem.h"
 
-#if ENABLE(FILE_SYSTEM)
-
 #include "DOMFileSystem.h"
 #include "ScriptExecutionContext.h"
 #include "SecurityOrigin.h"
 #include "Supplementable.h"
 #include <wtf/MainThread.h>
 
 namespace WebCore {
 
 DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem()
 {
@@ skipping 15 matching lines @@
     ASSERT(isMainThread());
     return "DraggedIsolatedFileSystem";
 }
 
 DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(const String& filesystemId)
     : m_filesystemId(filesystemId)
 {
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(FILE_SYSTEM)