Rolled back in a piece of <http://trac.webkit.org/changeset/127293>.

            Shrink activation objects by half
            https://bugs.webkit.org/show_bug.cgi?id=95591

            Reviewed by Sam Weinig.

        * runtime/JSActivation.cpp:
        (JSC::JSActivation::JSActivation):
        * runtime/JSGlobalObject.cpp:
        (JSC::JSGlobalObject::JSGlobalObject):
        (JSC::JSGlobalObject::setGlobalThis):
        (JSC):
        (JSC::JSGlobalObject::visitChildren):
        * runtime/JSGlobalObject.h:
        (JSGlobalObject):
        (JSC::JSScope::globalThis):
        (JSC):
        (JSC::JSGlobalObject::globalThis):
        * runtime/JSNameScope.h:
        (JSC::JSNameScope::JSNameScope):
        * runtime/JSScope.cpp:
        (JSC::JSScope::visitChildren):
        * runtime/JSScope.h:
        (JSScope):
        (JSC::JSScope::JSScope):
        (JSC::JSScope::globalObject):
        (JSC::JSScope::globalData):
        * runtime/JSSegmentedVariableObject.h:
        (JSC::JSSegmentedVariableObject::JSSegmentedVariableObject):
        * runtime/JSSymbolTableObject.h:
        (JSC::JSSymbolTableObject::JSSymbolTableObject):
        * runtime/JSVariableObject.h:
        (JSC::JSVariableObject::JSVariableObject):
        * runtime/JSWithScope.h:
        (JSC::JSWithScope::JSWithScope):
        * runtime/StrictEvalActivation.cpp:
        (JSC::StrictEvalActivation::StrictEvalActivation):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@127363 268f45cc-cd09-0410-ab3c-d52691b4dbfc