Add a flag for enabling the threaded parser

content/public/common/content_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 "content/public/common/content_switches.h"
 
 namespace switches {
 
 // By default, file:// URIs cannot read other file:// URIs. This is an
 // override for developers who need the old behavior for testing.
@@ skipping 280 matching lines @@
 // Enables device motion events.
 const char kEnableDeviceMotion[]            = "enable-device-motion";
 
 // Enables restarting interrupted downloads.
 const char kEnableDownloadResumption[]      = "enable-download-resumption";
 
 // Enables WebKit features that are in development.
 const char kEnableExperimentalWebKitFeatures[] =
     "enable-experimental-webkit-features";
 
+// Enables the threaded HTML parser in WebKit
+const char kEnableThreadedHTMLParser[]      = "enable-threaded-html-parser";
+
 // Enables the fastback page cache.
 const char kEnableFastback[]                = "enable-fastback";
 
 // By default, a page is laid out to fill the entire width of the window.
 // This flag fixes the layout of the page to a default of 980 CSS pixels,
 // or to a specified width and height using --enable-fixed-layout=w,h
 const char kEnableFixedLayout[]             = "enable-fixed-layout";
 
 // Disable the JavaScript Full Screen API.
 const char kDisableFullScreen[]             = "disable-fullscreen";
@@ skipping 483 matching lines @@
     = "disable-fixed-position-creates-stacking-context";
 
 // Defer image decoding in WebKit until painting.
 const char kEnableDeferredImageDecoding[] = "enable-deferred-image-decoding";
 
 // Enables history navigation in response to horizontal overscroll.
 const char kEnableOverscrollHistoryNavigation[] =
     "enable-overscroll-history-navigation";
 
 }  // namespace switches