Remove getOwnPropertyDescriptor trap

Reviewed by Geoff Garen.

All implementations of this method are now called via the method table, and equivalent in behaviour.
Remove all duplicate implementations (and the method table trap), and add a single member function implementation on JSObject.

Source/JavaScriptCore: 

* API/JSCallbackObject.h:
* API/JSCallbackObjectFunctions.h:
* debugger/DebuggerActivation.cpp:
* debugger/DebuggerActivation.h:
* runtime/Arguments.cpp:
* runtime/Arguments.h:
* runtime/ArrayConstructor.cpp:
* runtime/ArrayConstructor.h:
* runtime/ArrayPrototype.cpp:
* runtime/ArrayPrototype.h:
* runtime/BooleanPrototype.cpp:
* runtime/BooleanPrototype.h:
    - remove getOwnPropertyDescriptor
* runtime/ClassInfo.h:
    - remove getOwnPropertyDescriptor from MethodTable
* runtime/DateConstructor.cpp:
* runtime/DateConstructor.h:
* runtime/DatePrototype.cpp:
* runtime/DatePrototype.h:
* runtime/ErrorPrototype.cpp:
* runtime/ErrorPrototype.h:
* runtime/JSActivation.cpp:
* runtime/JSActivation.h:
* runtime/JSArray.cpp:
* runtime/JSArray.h:
* runtime/JSArrayBuffer.cpp:
* runtime/JSArrayBuffer.h:
* runtime/JSArrayBufferView.cpp:
* runtime/JSArrayBufferView.h:
* runtime/JSCell.cpp:
* runtime/JSCell.h:
* runtime/JSDataView.cpp:
* runtime/JSDataView.h:
* runtime/JSDataViewPrototype.cpp:
* runtime/JSDataViewPrototype.h:
* runtime/JSFunction.cpp:
* runtime/JSFunction.h:
* runtime/JSGenericTypedArrayView.h:
* runtime/JSGenericTypedArrayViewInlines.h:
* runtime/JSGlobalObject.cpp:
* runtime/JSGlobalObject.h:
* runtime/JSNotAnObject.cpp:
* runtime/JSNotAnObject.h:
* runtime/JSONObject.cpp:
* runtime/JSONObject.h:
    - remove getOwnPropertyDescriptor
* runtime/JSObject.cpp:
(JSC::JSObject::propertyIsEnumerable):
    - switch to call new getOwnPropertyDescriptor member function
(JSC::JSObject::getOwnPropertyDescriptor):
    - new, based on imlementation from GET_OWN_PROPERTY_DESCRIPTOR_IMPL
(JSC::JSObject::defineOwnNonIndexProperty):
    - switch to call new getOwnPropertyDescriptor member function
* runtime/JSObject.h:
* runtime/JSProxy.cpp:
* runtime/JSProxy.h:
* runtime/NamePrototype.cpp:
* runtime/NamePrototype.h:
* runtime/NumberConstructor.cpp:
* runtime/NumberConstructor.h:
* runtime/NumberPrototype.cpp:
* runtime/NumberPrototype.h:
    - remove getOwnPropertyDescriptor
* runtime/ObjectConstructor.cpp:
(JSC::objectConstructorGetOwnPropertyDescriptor):
(JSC::objectConstructorSeal):
(JSC::objectConstructorFreeze):
(JSC::objectConstructorIsSealed):
(JSC::objectConstructorIsFrozen):
    - switch to call new getOwnPropertyDescriptor member function
* runtime/ObjectConstructor.h:
    - remove getOwnPropertyDescriptor
* runtime/PropertyDescriptor.h:
    - remove GET_OWN_PROPERTY_DESCRIPTOR_IMPL
* runtime/RegExpConstructor.cpp:
* runtime/RegExpConstructor.h:
* runtime/RegExpMatchesArray.cpp:
* runtime/RegExpMatchesArray.h:
* runtime/RegExpObject.cpp:
* runtime/RegExpObject.h:
* runtime/RegExpPrototype.cpp:
* runtime/RegExpPrototype.h:
* runtime/StringConstructor.cpp:
* runtime/StringConstructor.h:
* runtime/StringObject.cpp:
* runtime/StringObject.h:
    - remove getOwnPropertyDescriptor

Source/WebCore: 

* WebCore.exp.in:
* bindings/js/JSDOMWindowCustom.cpp:
* bindings/scripts/CodeGeneratorJS.pm:
(GenerateHeader):
(GenerateImplementation):
(GenerateConstructorDeclaration):
(GenerateConstructorHelperMethods):
* bindings/scripts/test/JS/JSTestActiveDOMObject.cpp:
* bindings/scripts/test/JS/JSTestActiveDOMObject.h:
* bindings/scripts/test/JS/JSTestCustomNamedGetter.cpp:
* bindings/scripts/test/JS/JSTestCustomNamedGetter.h:
* bindings/scripts/test/JS/JSTestEventConstructor.cpp:
* bindings/scripts/test/JS/JSTestEventConstructor.h:
* bindings/scripts/test/JS/JSTestEventTarget.cpp:
* bindings/scripts/test/JS/JSTestEventTarget.h:
* bindings/scripts/test/JS/JSTestException.cpp:
* bindings/scripts/test/JS/JSTestException.h:
* bindings/scripts/test/JS/JSTestInterface.cpp:
* bindings/scripts/test/JS/JSTestInterface.h:
* bindings/scripts/test/JS/JSTestMediaQueryListListener.cpp:
* bindings/scripts/test/JS/JSTestMediaQueryListListener.h:
* bindings/scripts/test/JS/JSTestNamedConstructor.cpp:
* bindings/scripts/test/JS/JSTestNamedConstructor.h:
* bindings/scripts/test/JS/JSTestNode.cpp:
* bindings/scripts/test/JS/JSTestNode.h:
* bindings/scripts/test/JS/JSTestObj.cpp:
* bindings/scripts/test/JS/JSTestObj.h:
* bindings/scripts/test/JS/JSTestOverloadedConstructors.cpp:
* bindings/scripts/test/JS/JSTestOverloadedConstructors.h:
* bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.cpp:
* bindings/scripts/test/JS/JSTestSerializedScriptValueInterface.h:
* bindings/scripts/test/JS/JSTestTypedefs.cpp:
* bindings/scripts/test/JS/JSTestTypedefs.h:
* bridge/jsc/BridgeJSC.h:
(JSC::Bindings::Instance::getOwnPropertySlot):
* bridge/objc/objc_runtime.h:
* bridge/objc/objc_runtime.mm:
* bridge/runtime_array.cpp:
* bridge/runtime_array.h:
* bridge/runtime_method.cpp:
* bridge/runtime_method.h:
* bridge/runtime_object.cpp:
* bridge/runtime_object.h:
    - remove getOwnPropertyDescriptor

Source/WebKit2: 

* WebProcess/Plugins/Netscape/JSNPObject.cpp:
* WebProcess/Plugins/Netscape/JSNPObject.h:
    - remove getOwnPropertyDescriptor



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@154373 268f45cc-cd09-0410-ab3c-d52691b4dbfc