Enable threaded parsing everywhere

content/renderer/web_preferences.cc

 // Copyright 2013 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/renderer/web_preferences.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebKit.h"
@@ skipping 179 matching lines @@
 
   // Enable WebGL errors to the JS console if requested.
   settings->setWebGLErrorsToConsoleEnabled(
       prefs.webgl_errors_to_console_enabled);
 
   // Uses the mock theme engine for scrollbars.
   settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
 
   settings->setLayerSquashingEnabled(prefs.layer_squashing_enabled);
 
-  settings->setThreadedHTMLParser(prefs.threaded_html_parser);
-
   // Enable gpu-accelerated compositing always.
   settings->setAcceleratedCompositingEnabled(true);
 
   // Enable gpu-accelerated 2d canvas if requested on the command line.
   settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
 
   settings->setMinimumAccelerated2dCanvasSize(
       prefs.minimum_accelerated_2d_canvas_size);
 
   // Disable antialiasing for 2d canvas if requested on the command line.
@@ skipping 124 matching lines @@
 
   WebNetworkStateNotifier::setOnLine(prefs.is_online);
   settings->setPinchVirtualViewportEnabled(
       prefs.pinch_virtual_viewport_enabled);
 
   settings->setPinchOverlayScrollbarThickness(
       prefs.pinch_overlay_scrollbar_thickness);
   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
   settings->setCompositorTouchHitTesting(prefs.compositor_touch_hit_testing);
 
+  settings->setThreadedHTMLParser(true);
   settings->setUseThreadedHTMLParserForDataURLs(true);
 }
 
 }  // namespace content