--- chromium-60.0.3112.50/chrome/browser/ui/libgtkui/gtk_ui.cc.gtk2	2017-06-29 00:02:56.000000000 +0200
+++ chromium-60.0.3112.50/chrome/browser/ui/libgtkui/gtk_ui.cc	2017-06-30 22:05:13.566662306 +0200
@@ -320,8 +320,14 @@
     return display::Display::GetForcedDeviceScaleFactor();
 
   GdkScreen* screen = gdk_screen_get_default();
-  gint scale = gdk_screen_get_monitor_scale_factor(
-      screen, gdk_screen_get_primary_monitor(screen));
+  gint scale = 
+#if GTK_MAJOR_VERSION == 2
+  1
+#else
+  gdk_screen_get_monitor_scale_factor(
+      screen, gdk_screen_get_primary_monitor(screen))
+#endif
+  ;
   gdouble resolution = gdk_screen_get_resolution(screen);
   return resolution <= 0 ? scale : resolution * scale / kDefaultDPI;
 }