Make TypedArrays be available in commandline jsc

Make TypedArrays be available in commandline jsc
https://bugs.webkit.org/show_bug.cgi?id=79163

Reviewed by Gavin Barraclough.

Adds a compile time option to have jsc support a basic implementation
of the TypedArrays available in WebCore.  This lets us test the typed
array logic in the JIT witout having to build webcore.

* JSCTypedArrayStubs.h: Added.
(JSC):
* JavaScriptCore.xcodeproj/project.pbxproj:
* jsc.cpp:
(GlobalObject::finishCreation):
(GlobalObject):
(GlobalObject::addConstructableFunction):
* runtime/JSGlobalData.h:
(JSGlobalData):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@108420 268f45cc-cd09-0410-ab3c-d52691b4dbfc