Add Ignition to 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"
 #include "build/build_config.h"
 
@@ skipping 399 matching lines @@
     "enable-extension-activity-logging";
 
 const char kEnableExtensionActivityLogTesting[] =
     "enable-extension-activity-log-testing";
 
 // Enable the fast unload controller, which speeds up tab/window close by
 // running a tab's onunload js handler independently of the GUI -
 // crbug.com/142458 .
 const char kEnableFastUnload[] = "enable-fast-unload";
 
+// Enable the experimental Ignition interpreter in V8.
+const char kEnableIgnition[] = "enable-ignition";
+
 // Enables the Material Design version of chrome://extensions.
 const char kEnableMaterialDesignExtensions[] = "enable-md-extensions";
 
 // Enables the Material Design policy page at chrome://md-policy.
 const char kEnableMaterialDesignPolicyPage[]  = "enable-md-policy-page";
 
 // Runs the Native Client inside the renderer process and enables GPU plugin
 // (internally adds lEnableGpuPlugin to the command line).
 const char kEnableNaCl[]                    = "enable-nacl";
 
@@ skipping 930 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