Updates the whitelisted XKB input method IDs to sync up with the component XKB extension.

chrome/browser/chromeos/input_method/input_method_util.h

Index: chrome/browser/chromeos/input_method/input_method_util.h
diff --git a/chrome/browser/chromeos/input_method/input_method_util.h b/chrome/browser/chromeos/input_method/input_method_util.h
index 0fb6df7b19c4b08e789b57d9c8c0ec07550c7e45..5503e0a041a0207bd4c1216c60fe50ece3083015 100644
--- a/chrome/browser/chromeos/input_method/input_method_util.h
+++ b/chrome/browser/chromeos/input_method/input_method_util.h
@@ -137,8 +137,11 @@ class InputMethodUtil {
   // Returns true if the given input method id is for a keyboard layout.
   static bool IsKeyboardLayout(const std::string& input_method_id);
 
-  // Sets the list of component extension IMEs.
-  void SetComponentExtensions(const InputMethodDescriptors& imes);
+  // Resets the list of component extension IMEs.
+  void ResetInputMethods(const InputMethodDescriptors& imes);
+
+  // Appends the additional list of component extension IMEs.
+  void AppendInputMethods(const InputMethodDescriptors& imes);
 
   // Initializes the extension based xkb IMEs for testing.
   void InitXkbInputMethodsForTesting();