Remove |third_party| from InputMethodDescriptor.

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

Index: chrome/browser/chromeos/system/ash_system_tray_delegate.cc
diff --git a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
index d2b3d7d5d1974672970c74678dec88847980520f..c4a254776254599f40a70cbeec08da42cf11320f 100644
--- a/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
+++ b/chrome/browser/chromeos/system/ash_system_tray_delegate.cc
@@ -90,6 +90,7 @@
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/dbus/system_clock_client.h"
+#include "chromeos/ime/extension_ime_util.h"
 #include "chromeos/ime/xkeyboard.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
@@ -140,7 +141,7 @@ void ExtractIMEInfo(const input_method::InputMethodDescriptor& ime,
   info->name = util.GetInputMethodLongName(ime);
   info->medium_name = util.GetInputMethodMediumName(ime);
   info->short_name = util.GetInputMethodShortName(ime);
-  info->third_party = ime.third_party();
+  info->third_party = extension_ime_util::IsExtensionIME(ime.id());
 }
 
 gfx::NativeWindow GetNativeWindowByStatus(