--- chromium-54.0.2840.16/chrome/browser/extensions/api/tabs/tabs_api.cc.no-ash	2016-09-09 00:02:22.000000000 +0200
+++ chromium-54.0.2840.16/chrome/browser/extensions/api/tabs/tabs_api.cc	2016-09-13 06:30:44.958499013 +0200
@@ -260,6 +260,7 @@
   return true;
 }
 
+#if defined(USE_ASH)
 bool IsHangoutsExtensionId(const std::string& extension_id) {
   for (const char* id : extension_misc::kHangoutsExtensionIds) {
     if (extension_id == id)
@@ -267,6 +268,7 @@
   }
   return false;
 }
+#endif  // defined(USE_ASH)
 
 }  // namespace
 
@@ -520,7 +522,9 @@
 
   gfx::Rect window_bounds;
   bool focused = true;
+#if defined(USE_ASH)
   bool saw_focus_key = false;
+#endif  // defined(USE_ASH)
   std::string extension_id;
 
   if (create_data) {
@@ -593,7 +597,9 @@
 
     if (create_data->focused) {
       focused = *create_data->focused;
+#if defined(USE_ASH)
       saw_focus_key = true;
+#endif  // defined(USE_ASH)
     }
   }