Chrome stopped being a GTK+ app long time ago. They switched to their own internal toolkit(http://www.omgubuntu.co.uk/2014/05/google-chrome-35-linux-arrives-aur

Chrome stopped being a GTK+ app long time ago. They switched to their own internal toolkit(http://www.omgubuntu.co.uk/2014/05/google-chrome-35-linux-arrives-aura http://www.omgubuntu.co.uk/2014/05/google-chrome-35-linux-ar...). Also, I am not sure why you say Firefox looks ugly in KDE - http://album.gnufied.org/firefox.png http://album.gnufied.org/firefox.png . I have made 0 modifications in KDE/GTK theming and firefox looks just fine under KDE.