QmlProfiler: displaying events only when available
QmlProfiler: displaying events only when available

Change-Id: I65414168804fb9673793409bd66deec501944c75
Reviewed-on: http://codereview.qt.nokia.com/1601
Reviewed-by: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Aurindam Jana <7c408417cef34be80f3feca6b61197eafaefe98d@nokia.com>

jonnor/qt-creator,amyvmiwei/qt-creator,dmik/qt-creator-os2,syntheticpp/qt-creator,danimo/qt-creator,malikcjm/qtcreator,darksylinc/qt-creator,richardmg/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,malikcjm/qtcreator,maui-packages/qt-creator,ostash/qt-creator-i18n-uk,duythanhphan/qt-creator,hdweiss/qt-creator-visualizer,Distrotech/qtcreator,farseerri/git_code,darksylinc/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,KDAB/KDAB-Creator,xianian/qt-creator,darksylinc/qt-creator,farseerri/git_code,hdweiss/qt-creator-visualizer,azat/qtcreator,farseerri/git_code,xianian/qt-creator,colede/qtcreator,hdweiss/qt-creator-visualizer,maui-packages/qt-creator,KDE/android-qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,darksylinc/qt-creator,jonnor/qt-creator,kuba1/qtcreator,farseerri/git_code,xianian/qt-creator,KDAB/KDAB-Creator,kuba1/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,dmik/qt-creator-os2,azat/qtcreator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,Distrotech/qtcreator,omniacreator/qtcreator,syntheticpp/qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,duythanhphan/qt-creator,ostash/qt-creator-i18n-uk,ostash/qt-creator-i18n-uk,richardmg/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,azat/qtcreator,maui-packages/qt-creator,malikcjm/qtcreator,KDE/android-qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,malikcjm/qtcreator,danimo/qt-creator,duythanhphan/qt-creator,maui-packages/qt-creator,bakaiadam/collaborative_qt_creator,maui-packages/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,jonnor/qt-creator,omniacreator/qtcreator,syntheticpp/qt-creator,kuba1/qtcreator,farseerri/git_code,kuba1/qtcreator,colede/qtcreator,ostash/qt-creator-i18n-uk,amyvmiwei/qt-creator,Distrotech/qtcreator,dmik/qt-creator-os2,AltarBeastiful/qt-creator,colede/qtcreator,duythanhphan/qt-creator,malikcjm/qtcreator,syntheticpp/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,KDE/android-qt-creator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,kuba1/qtcreator,dmik/qt-creator-os2,farseerri/git_code,kuba1/qtcreator,AltarBeastiful/qt-creator,azat/qtcreator,richardmg/qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,bakaiadam/collaborative_qt_creator,martyone/sailfish-qtcreator,colede/qtcreator,syntheticpp/qt-creator,xianian/qt-creator,KDE/android-qt-creator,KDAB/KDAB-Creator,farseerri/git_code,richardmg/qtcreator,xianian/qt-creator,richardmg/qtcreator,bakaiadam/collaborative_qt_creator,bakaiadam/collaborative_qt_creator,hdweiss/qt-creator-visualizer,omniacreator/qtcreator,richardmg/qtcreator,colede/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,KDE/android-qt-creator,dmik/qt-creator-os2,Distrotech/qtcreator,bakaiadam/collaborative_qt_creator,KDAB/KDAB-Creator,maui-packages/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,danimo/qt-creator,duythanhphan/qt-creator,duythanhphan/qt-creator,xianian/qt-creator,hdweiss/qt-creator-visualizer,martyone/sailfish-qtcreator,danimo/qt-creator,dmik/qt-creator-os2,kuba1/qtcreator,amyvmiwei/qt-creator,jonnor/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,xianian/qt-creator,colede/qtcreator,KDE/android-qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,KDAB/KDAB-Creator,omniacreator/qtcreator,hdweiss/qt-creator-visualizer,darksylinc/qt-creator,azat/qtcreator,omniacreator/qtcreator,jonnor/qt-creator,omniacreator/qtcreator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,syntheticpp/qt-creator,AltarBeastiful/qt-creator,syntheticpp/qt-creator,azat/qtcreator,martyone/sailfish-qtcreator,dmik/qt-creator-os2,colede/qtcreator,KDAB/KDAB-Creator,ostash/qt-creator-i18n-uk,xianian/qt-creator,jonnor/qt-creator