Let --js-flags work when Harmony is enabled in about:flags

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 741 matching lines @@
 // app/extension ID given, and then prompt the user to download and install it.
 const char kInstallFromWebstore[]           = "install-from-webstore";
 
 // Marks a renderer as an Instant process.
 const char kInstantProcess[]                = "instant-process";
 
 // Invalidation service should use GCM network channel even if experiment is not
 // enabled.
 const char kInvalidationUseGCMChannel[]     = "invalidation-use-gcm-channel";
 
+// Enables experimental Harmony (ECMAScript 6) features.
+const char kJavaScriptHarmony[]             = "javascript-harmony";
+
 // Specifies the testcase used by the IPC fuzzer.
 const char kIpcFuzzerTestcase[]             = "ipc-fuzzer-testcase";
 
 // Used for testing - keeps browser alive after last browser window closes.
 const char kKeepAliveForTest[]              = "keep-alive-for-test";
 
 // Enable Kiosk mode.
 const char kKioskMode[]                     = "kiosk";
 
 // Print automatically in kiosk mode. |kKioskMode| must be set as well.
@@ skipping 570 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches