Disable/enable echo for enterprise device.

chrome/browser/extensions/extension_function_registry.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/extensions/extension_function_registry.h"
 
 #include "chrome/browser/accessibility/accessibility_extension_api.h"
 #include "chrome/browser/extensions/api/app/app_api.h"
 #include "chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h"
 #include "chrome/browser/extensions/api/browsing_data/browsing_data_api.h"
@@ skipping 166 matching lines @@
   RegisterFunction<WallpaperSetCustomWallpaperFunction>();
   RegisterFunction<WallpaperMinimizeInactiveWindowsFunction>();
   RegisterFunction<WallpaperRestoreMinimizedWindowsFunction>();
   RegisterFunction<WallpaperGetThumbnailFunction>();
   RegisterFunction<WallpaperSaveThumbnailFunction>();
   RegisterFunction<WallpaperGetOfflineWallpaperListFunction>();
 
   // Echo
   RegisterFunction<GetRegistrationCodeFunction>();
   RegisterFunction<GetOobeTimestampFunction>();
+  RegisterFunction<IsEchoDisabledFunction>();
 
   // Terminal
   RegisterFunction<OpenTerminalProcessFunction>();
   RegisterFunction<SendInputToTerminalProcessFunction>();
   RegisterFunction<CloseTerminalProcessFunction>();
   RegisterFunction<OnTerminalResizeFunction>();
 #endif
 
   // Websocket to TCP proxy. Currently noop on anything other than ChromeOS.
   RegisterFunction<
@@ skipping 52 matching lines @@
 
 ExtensionFunctionRegistry::FactoryEntry::FactoryEntry()
     : factory_(0), histogram_value_(extensions::functions::UNKNOWN) {
 }
 
 ExtensionFunctionRegistry::FactoryEntry::FactoryEntry(
     ExtensionFunctionFactory factory,
     extensions::functions::HistogramValue histogram_value)
     : factory_(factory), histogram_value_(histogram_value) {
 }