CodeGeneratorJS doesn't generate header includes for sequence<type>

CodeGeneratorJS doesn't generate header includes for sequence<type>
https://bugs.webkit.org/show_bug.cgi?id=121314

Reviewed by Dean Jackson.

* bindings/scripts/CodeGeneratorJS.pm:
(SkipIncludeHeader): Don't return false for sequence and array types.
(AddIncludesForType): Do add includes for sequence and array types.
(GenerateCallbackImplementation):
* bindings/scripts/test/JS/JSTestTypedefs.cpp: Regenerated
* bindings/scripts/test/JS/JSTestTypedefs.h: Ditto.
* bindings/scripts/test/TestTypedefs.idl: Add a method that takes a sequence<TestEventTarget>.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@155718 268f45cc-cd09-0410-ab3c-d52691b4dbfc