Reviewed by Tim.

        <rdar://problem/5770054> JavaScript profiler (10928)
        Split function name into 3 parts so that the Web Inspector can link it to
        the resource location from whence it came.

        * kjs/ustring.cpp: Implemented operator> for UStrings
        (KJS::operator>):
        * kjs/ustring.h:
        * profiler/Profile.cpp:
        (KJS::Profile::Profile): Initialize all 3 values.
        (KJS::Profile::willExecute): Use CallIdentifier struct.
        (KJS::Profile::didExecute): Ditto.
        * profiler/Profile.h: Ditto and remove unused function.
        * profiler/ProfileNode.cpp:
        (KJS::ProfileNode::ProfileNode): Use CallIdentifier struct.
        (KJS::ProfileNode::willExecute): Ditto and fix an issue where we
        restarted the m_startTime even though it was already started.
        (KJS::ProfileNode::didExecute): Ditto.
        (KJS::ProfileNode::findChild): Ditto.
        (KJS::functionNameDescendingComparator): Ditto and use new comparator.
        (KJS::functionNameAscendingComparator): Ditto.
        (KJS::ProfileNode::printDataInspectorStyle): Use CallIdentifier struct.
        (KJS::ProfileNode::printDataSampleStyle): Ditto.
        * profiler/ProfileNode.h:
        (KJS::CallIdentifier::CallIdentifier): Describe the CallIdentifier struct
        (KJS::CallIdentifier::operator== ):
        (KJS::ProfileNode::create): Use the CallIdentifier struct.
        (KJS::ProfileNode::callIdentifier):
        (KJS::ProfileNode::functionName): Now only return the function name, not
        the url and line number too.
        (KJS::ProfileNode::url):
        (KJS::ProfileNode::lineNumber):
        * profiler/Profiler.cpp: Use the CallIdentifier struct. 
        (KJS::Profiler::startProfiling):
        (KJS::Profiler::willExecute):
        (KJS::Profiler::didExecute):
        (KJS::getCallIdentifiers):
        (KJS::getCallIdentifierFromFunctionImp):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@33941 268f45cc-cd09-0410-ab3c-d52691b4dbfc