Remove ENABLE(FILE_SYSTEM) compile-time flag.

Source/WebCore/html/FileInputType.h

Index: Source/WebCore/html/FileInputType.h
diff --git a/Source/WebCore/html/FileInputType.h b/Source/WebCore/html/FileInputType.h
index a0f4292676b5bb46cbae99e32874e300f8665ae5..b6bc35d2562bcccc8c001d011b0e7374431be07b 100644
--- a/Source/WebCore/html/FileInputType.h
+++ b/Source/WebCore/html/FileInputType.h
@@ -65,9 +65,7 @@ private:
     virtual bool getTypeSpecificValue(String&) OVERRIDE; // Checked first, before internal storage or the value attribute.
     virtual void setValue(const String&, bool valueChanged, TextFieldEventBehavior) OVERRIDE;
     virtual bool receiveDroppedFiles(const DragData*) OVERRIDE;
-#if ENABLE(FILE_SYSTEM)
     virtual String droppedFileSystemId() OVERRIDE;
-#endif
     virtual Icon* icon() const OVERRIDE;
     virtual bool isFileUpload() const OVERRIDE;
     virtual void createShadowSubtree() OVERRIDE;
@@ -90,9 +88,7 @@ private:
     RefPtr<FileList> m_fileList;
     RefPtr<Icon> m_icon;
 
-#if ENABLE(FILE_SYSTEM)
     String m_droppedFileSystemId;
-#endif
 };
 
 } // namespace WebCore