[IME] migrate the xkb ID to extension based xkb ID.

chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc

Index: chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc
diff --git a/chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc b/chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc
index aa8506ca9a0853d659eac4353513527fc1e28ec7..cc99d2df7f8a7380c436a73cbe958f16e7f4f9d6 100644
--- a/chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc
+++ b/chrome/browser/chromeos/extensions/input_method_apitest_chromeos.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/chromeos/extensions/input_method_event_router.h"
 #include "chrome/browser/extensions/api/test/test_api.h"
 #include "chrome/common/chrome_switches.h"
+#include "chromeos/ime/extension_ime_util.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -68,6 +69,7 @@ class SetInputMethodListener : public content::NotificationObserver {
   content::NotificationRegistrar registrar_;
 
   int count_;
+  bool use_ext_xkb_flag_;
 };
 
 class ExtensionInputMethodApiTest : public ExtensionApiTest {
@@ -81,6 +83,8 @@ class ExtensionInputMethodApiTest : public ExtensionApiTest {
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(ExtensionInputMethodApiTest, Basic) {
+  chromeos::extension_ime_util::ScopedUseExtensionKeyboardFlagForTesting(false);
+
   // Two test, two calls. See JS code for more info.
   SetInputMethodListener listener(2);