diff --git chrome/browser/ui/libgtkui/gtk_ui.cc chrome/browser/ui/libgtkui/gtk_ui.cc
index a38c6b8..bb4fa59 100644
--- chrome/browser/ui/libgtkui/gtk_ui.cc
+++ chrome/browser/ui/libgtkui/gtk_ui.cc
@@ -1053,7 +1053,11 @@ float GtkUi::GetRawDeviceScaleFactor() {
     return display::Display::GetForcedDeviceScaleFactor();
 
   GdkScreen* screen = gdk_screen_get_default();
+#if GTK_MAJOR_VERSION == 3
   gint scale = gtk_widget_get_scale_factor(fake_window_);
+#else
+  gint scale = 1;
+#endif
   gdouble resolution = gdk_screen_get_resolution(screen);
   const float scale_factor =
       resolution <= 0 ? scale : resolution * scale / kDefaultDPI;
diff --git ui/accessibility/platform/ax_platform_node_auralinux.cc ui/accessibility/platform/ax_platform_node_auralinux.cc
index c73d7a9..5fcc441 100644
--- ui/accessibility/platform/ax_platform_node_auralinux.cc
+++ ui/accessibility/platform/ax_platform_node_auralinux.cc
@@ -474,8 +474,12 @@ void AXPlatformNodeAuraLinux::GetAtkState(AtkStateSet* atk_state_set) {
     atk_state_set_add_state(atk_state_set, ATK_STATE_EXPANDED);
   if (data.HasState(ui::AX_STATE_FOCUSABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_FOCUSABLE);
+#if defined(ATK_CHECK_VERSION)
+#if ATK_CHECK_VERSION(2, 11, 2)
   if (data.HasState(ui::AX_STATE_HASPOPUP))
     atk_state_set_add_state(atk_state_set, ATK_STATE_HAS_POPUP);
+#endif
+#endif
   if (data.HasState(ui::AX_STATE_SELECTED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_SELECTED);
   if (data.HasState(ui::AX_STATE_SELECTABLE))