https://bugs.webkit.org/show_bug.cgi?id=120695.

Reviewed by Geoffrey Garen.

Source/JavaScriptCore: 

Introduce CallFrame::iterate() which instantiates a StackIterator and
invoke its iterate() method with the passed in functor. The only place
where the client code gets access to the StackIterator now is as an
argument to the client's functor.

* API/JSContextRef.cpp:
(JSContextCreateBacktrace):
* interpreter/CallFrame.cpp:
* interpreter/CallFrame.h:
(JSC::ExecState::iterate):
* interpreter/Interpreter.cpp:
(JSC::Interpreter::dumpRegisters):
(JSC::Interpreter::getStackTrace):
(JSC::Interpreter::unwind):
* interpreter/StackIterator.cpp:
(JSC::StackIterator::StackIterator):
(DebugPrintFrameFunctor::DebugPrintFrameFunctor):
(DebugPrintFrameFunctor::operator()):
(debugPrintCallFrame):
(debugPrintStack):
* interpreter/StackIterator.h:
(JSC::StackIterator::iterate):
* jsc.cpp:
(functionJSCStack):
* profiler/ProfileGenerator.cpp:
(JSC::ProfileGenerator::addParentForConsoleStart):
* runtime/JSFunction.cpp:
(JSC::retrieveArguments):
(JSC::RetrieveCallerFunctionFunctor::operator()):
(JSC::retrieveCallerFunction):
* runtime/JSGlobalObjectFunctions.cpp:
(JSC::globalFuncProtoGetter):
(JSC::globalFuncProtoSetter):
* runtime/ObjectConstructor.cpp:
(JSC::objectConstructorGetPrototypeOf):

Source/WebCore: 

No new tests.

* bindings/js/JSXMLHttpRequestCustom.cpp:
(WebCore::SendFunctor::SendFunctor):
(WebCore::SendFunctor::line):
(WebCore::SendFunctor::url):
(WebCore::SendFunctor::operator()):
(WebCore::JSXMLHttpRequest::send):
* bindings/js/ScriptCallStackFactory.cpp:
(WebCore::createScriptCallStack):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@155075 268f45cc-cd09-0410-ab3c-d52691b4dbfc