Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/inspector/InspectorFileSystemAgent.cpp

 /*
  * Copyright (C) 2011, 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 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * 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"
 
-#if ENABLE(FILE_SYSTEM)
-
 #include "InspectorFileSystemAgent.h"
 
 #include "DOMFileSystem.h"
 #include "DOMImplementation.h"
 #include "DirectoryEntry.h"
 #include "DirectoryReader.h"
 #include "Document.h"
 #include "EntriesCallback.h"
 #include "EntryArray.h"
 #include "EntryCallback.h"
@@ skipping 686 matching lines @@
     for (Frame* frame = m_pageAgent->mainFrame(); frame; frame = frame->tree()->traverseNext()) {
         if (frame->document() && frame->document()->securityOrigin()->isSameSchemeHostPort(origin))
             return frame->document();
     }
 
     *error = "No frame is available for the request";
     return 0;
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(FILE_SYSTEM)