C++ editor: Restrict outline combo popup width
C++ editor: Restrict outline combo popup width

Use Creator's main window as a reference for the width. Note that
this does not necessarily imply they are aligned.

Task-number: QTCREATORBUG-4021
Change-Id: Id0be8a7435d9b3f9eaab638f7a82bb0bd1afa192
Reviewed-on: http://codereview.qt.nokia.com/109
Reviewed-by: Roberto Raggi <5b38c5be65ca2d75b92c40e91029e90f276fd4fe@nokia.com>
Reviewed-by: Fawzi Mohamed <7388270c57edd0fabd71d8eb0322d66e3c40e57e@nokia.com>

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