Add support for [NoInterfaceObject] extended attribute to bindings generator

Source/core/testing/InternalSettings.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
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  * modification, are permitted provided that the following conditions
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 [
+    NoInterfaceObject,
 ] interface InternalSettings : InternalSettingsGenerated {
     [RaisesException] void setMockScrollbarsEnabled(boolean enabled);
     [RaisesException] void setTouchEventEmulationEnabled(boolean enabled);
     [RaisesException] void setShadowDOMEnabled(boolean enabled);
     void setAuthorShadowDOMForAnyElementEnabled(boolean isEnabled);
     void setExperimentalShadowDOMEnabled(boolean isEnabled);
     void setStyleScopedEnabled(boolean isEnabled);
     [RaisesException] void setStandardFontFamily(DOMString family, DOMString script);
     [RaisesException] void setSerifFontFamily(DOMString family, DOMString script);
     [RaisesException] void setSansSerifFontFamily(DOMString family, DOMString script);
@@ skipping 13 matching lines @@
     [RaisesException] void setEditingBehavior(DOMString behavior);
     [RaisesException] void setDialogElementEnabled(boolean enabled);
     void setLangAttributeAwareFormControlUIEnabled(boolean enabled);
 
     [RaisesException] void setShouldDisplayTrackKind(DOMString kind, boolean enabled);
     [RaisesException] boolean shouldDisplayTrackKind(DOMString trackKind);
     [RaisesException] void setImagesEnabled(boolean enabled);
     [RaisesException] void setMinimumTimerInterval(double intervalInSeconds);
     [RaisesException] void setDefaultVideoPosterURL(DOMString poster);
 };