Adds the input method private API to allow the component IME extension to change the XKB layout.

extensions/browser/extension_function_histogram_value.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_
 #define EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_
 
 namespace extensions {
 namespace functions {
 
@@ skipping 1144 matching lines @@
   SETTINGSPRIVATE_GETDEFAULTZOOMPERCENTFUNCTION,
   SETTINGSPRIVATE_SETDEFAULTZOOMPERCENTFUNCTION,
   BLUETOOTHPRIVATE_CONNECT,
   BLUETOOTHPRIVATE_FORGETDEVICE,
   DISPLAYSOURCE_GETAVAILABLESINKS,
   DISPLAYSOURCE_REQUESTAUTHENTICATION,
   WEBRTCLOGGINGPRIVATE_STARTAUDIODEBUGRECORDINGS,
   WEBRTCLOGGINGPRIVATE_STOPAUDIODEBUGRECORDINGS,
   TERMINALPRIVATE_ACKOUTPUT,
   ACCESSIBILITY_PRIVATE_SETKEYBOARDLISTENER,
+  INPUTMETHODPRIVATE_SETXKBLAYOUT,
   // Last entry: Add new entries above, then run:
   // python tools/metrics/histograms/update_extension_histograms.py
   ENUM_BOUNDARY
 };
 
 }  // namespace functions
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_FUNCTION_HISTOGRAM_VALUE_H_