Reviewed and landed by Anders.

        Remove most annoying notImplemented() usages and
        implement some missing ScrollViewQt functions.
        Much nicer output when invoking run-webkit-tests.

        * platform/qt/FrameQt.cpp:
        (WebCore::FrameQt::saveDocumentState):
        (WebCore::FrameQt::restoreDocumentState):
        (WebCore::FrameQt::clearUndoRedoOperations):
        (WebCore::FrameQt::partClearedInBegin):
        * platform/qt/ResourceLoaderManager.cpp:
        (WebCore::headerCallback):
        (WebCore::ResourceLoaderManager::downloadTimerCallback):
        * platform/qt/ScrollViewQt.cpp:
        (WebCore::ScrollView::updateContents):
        (WebCore::ScrollView::suppressScrollBars):
        (WebCore::ScrollView::setStaticBackground):
        (WebCore::ScrollView::addChild):
        (WebCore::ScrollView::removeChild):
        * platform/qt/TemporaryLinkStubs.cpp:
        (WebCore::historyContains):
        (WebCore::CheckCacheObjectStatus):
        (WebCore::CheckIfReloading):
        (loadResourceIntoArray):
        (WebCore::PlugInInfoStore::supportsMIMEType):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16064 268f45cc-cd09-0410-ab3c-d52691b4dbfc