Remove InjectedScript::wrapSerializedObject()
https://bugs.webkit.org/show_bug.cgi?id=107906

Reviewed by Abhishek Arya.

InjectedScript::wrapSerializedObject() is unused.
(This is one of steps to remove raw pointers of SerializedScriptValue*,
which can be a security concern.)

* inspector/InjectedScript.cpp:
* inspector/InjectedScript.h:
(InjectedScript):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140893 268f45cc-cd09-0410-ab3c-d52691b4dbfc