Reviewed by Maciej.
        
        Add a JSGlobalObject class and remove the InterpreterMap
        http://bugs.webkit.org/show_bug.cgi?id=15681
        
        This required making JSCallbackObject a template class to allow for
        JSGlobalObjects with JSCallbackObject functionality.
        
        SunSpider claims this was a 0.5% speedup.

        * API/JSCallbackObject.cpp:
        (KJS::):
        * API/JSCallbackObject.h:
        * API/JSCallbackObjectFunctions.h: Copied from API/JSCallbackObject.cpp.
        (KJS::::JSCallbackObject):
        (KJS::::init):
        (KJS::::~JSCallbackObject):
        (KJS::::initializeIfNeeded):
        (KJS::::className):
        (KJS::::getOwnPropertySlot):
        (KJS::::put):
        (KJS::::deleteProperty):
        (KJS::::implementsConstruct):
        (KJS::::construct):
        (KJS::::implementsHasInstance):
        (KJS::::hasInstance):
        (KJS::::implementsCall):
        (KJS::::callAsFunction):
        (KJS::::getPropertyNames):
        (KJS::::toNumber):
        (KJS::::toString):
        (KJS::::setPrivate):
        (KJS::::getPrivate):
        (KJS::::inherits):
        (KJS::::cachedValueGetter):
        (KJS::::staticValueGetter):
        (KJS::::staticFunctionGetter):
        (KJS::::callbackGetter):
        * API/JSClassRef.cpp:
        (OpaqueJSClass::prototype):
        * API/JSContextRef.cpp:
        (JSGlobalContextCreate):
        * API/JSObjectRef.cpp:
        (JSObjectMake):
        (JSObjectGetPrivate):
        (JSObjectSetPrivate):
        * API/JSValueRef.cpp:
        (JSValueIsObjectOfClass):
        * JavaScriptCore.exp:
        * JavaScriptCore.xcodeproj/project.pbxproj:
        * bindings/c/c_utility.cpp:
        (KJS::Bindings::convertValueToNPVariant):
        * bindings/jni/jni_jsobject.cpp:
        * bindings/objc/objc_utility.mm:
        (KJS::Bindings::convertValueToObjcValue):
        * kjs/Context.cpp:
        (KJS::Context::Context):
        * kjs/ExecState.cpp:
        (KJS::ExecState::lexicalInterpreter):
        * kjs/JSGlobalObject.h: Added.
        (KJS::JSGlobalObject::JSGlobalObject):
        (KJS::JSGlobalObject::isGlobalObject):
        (KJS::JSGlobalObject::interpreter):
        (KJS::JSGlobalObject::setInterpreter):
        * kjs/array_instance.cpp:
        * kjs/context.h:
        * kjs/function.cpp:
        (KJS::FunctionImp::callAsFunction):
        (KJS::GlobalFuncImp::callAsFunction):
        * kjs/interpreter.cpp:
        (KJS::Interpreter::Interpreter):
        (KJS::Interpreter::init):
        (KJS::Interpreter::~Interpreter):
        (KJS::Interpreter::globalObject):
        (KJS::Interpreter::initGlobalObject):
        (KJS::Interpreter::evaluate):
        * kjs/interpreter.h:
        * kjs/lookup.h:
        (KJS::cacheGlobalObject):
        * kjs/object.h:
        (KJS::JSObject::isGlobalObject):
        * kjs/testkjs.cpp:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@27022 268f45cc-cd09-0410-ab3c-d52691b4dbfc