Qualify RuntimeEnabledFeatures.h and remove unnecessary include dir.

Source/bindings/v8/custom/V8FileCustom.cpp

 /*
  * Copyright (C) 2013 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 "bindings/core/v8/V8File.h"
 
-#include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/custom/V8BlobCustomHelpers.h"
+#include "platform/RuntimeEnabledFeatures.h"
 
 namespace WebCore {
 
 void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ConstructionContext, "File", info.Holder(), info.GetIsolate());
 
     if (!RuntimeEnabledFeatures::fileConstructorEnabled()) {
         exceptionState.throwTypeError("Illegal constructor");
         exceptionState.throwIfNeeded();
@@ skipping 70 matching lines @@
     double lastModified = file->lastModifiedDate();
     if (!isValidFileTime(lastModified))
         lastModified = currentTimeMS();
 
     // lastModified returns a number, not a Date instance.
     // http://dev.w3.org/2006/webapi/FileAPI/#file-attrs
     v8SetReturnValue(info, floor(lastModified));
 }
 
 } // namespace WebCore