Reviewed by Yury Semikhatsky.

        Web Inspector: add source column field to debugger call frames.
        https://bugs.webkit.org/show_bug.cgi?id=52443

        * bindings/js/JavaScriptCallFrame.cpp:
        (WebCore::JavaScriptCallFrame::JavaScriptCallFrame):
        * bindings/js/JavaScriptCallFrame.h:
        (WebCore::JavaScriptCallFrame::create):
        (WebCore::JavaScriptCallFrame::line):
        (WebCore::JavaScriptCallFrame::column):
        (WebCore::JavaScriptCallFrame::update):
        * bindings/js/ScriptDebugServer.cpp:
        (WebCore::ScriptDebugServer::createCallFrameAndPauseIfNeeded):
        (WebCore::ScriptDebugServer::updateCallFrameAndPauseIfNeeded):
        (WebCore::ScriptDebugServer::callEvent):
        (WebCore::ScriptDebugServer::atStatement):
        (WebCore::ScriptDebugServer::returnEvent):
        (WebCore::ScriptDebugServer::exception):
        (WebCore::ScriptDebugServer::willExecuteProgram):
        (Web...