Reviewed by Pavel Feldman.

        Removes the need for C++ Timeline types in InspectorTimelineAgent in favor
        of ScriptObjects.
        https://bugs.webkit.org/show_bug.cgi?id=30707

        * GNUmakefile.am:
        * WebCore.vcproj/WebCore.vcproj:
        * WebCore.xcodeproj/project.pbxproj:
        * inspector/DOMDispatchTimelineItem.cpp: Removed.
        * inspector/DOMDispatchTimelineItem.h: Removed.
        * inspector/InspectorTimelineAgent.cpp:
        (WebCore::InspectorTimelineAgent::InspectorTimelineAgent):
        (WebCore::InspectorTimelineAgent::willDispatchDOMEvent):
        (WebCore::InspectorTimelineAgent::didDispatchDOMEvent):
        (WebCore::InspectorTimelineAgent::willLayout):
        (WebCore::InspectorTimelineAgent::didLayout):
        (WebCore::InspectorTimelineAgent::willRecalculateStyle):
        (WebCore::InspectorTimelineAgent::didRecalculateStyle):
        (WebCore::InspectorTimelineAgent::willPaint):
        (WebCore::InspectorTimelineAgent::didPaint):
        (WebCore::InspectorTimelineAgent::willWriteHTML):
        (WebCore::InspectorTimelineAgent::didWriteHTML):
        (WebCore::InspectorTimelineAgent::reset):
        (WebCore::InspectorTimelineAgent::didCompleteCurrentRecord):
        (WebCore::InspectorTimelineAgent::pushCurrentTimelineItem):
        * inspector/InspectorTimelineAgent.h:
        (WebCore::InspectorTimelineAgent::TimelineItemEntry::TimelineItemEntry):
        * inspector/TimelineItem.cpp: Removed.
        * inspector/TimelineItem.h: Removed.
        * inspector/TimelineItemFactory.cpp: Added.
        (WebCore::TimelineItemFactory::createGenericTimelineItem):
        (WebCore::TimelineItemFactory::createDOMDispatchTimelineItem):
        * inspector/TimelineItemFactory.h: Added.
        (WebCore::):
        (WebCore::TimelineItemFactory::TimelineItemFactory):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50013 268f45cc-cd09-0410-ab3c-d52691b4dbfc