Enable threaded parsing everywhere

content/renderer/web_preferences.cc

Index: content/renderer/web_preferences.cc
diff --git a/content/renderer/web_preferences.cc b/content/renderer/web_preferences.cc
index a2d4e5ecbbcf0ecc4c13c66bf78a4388644d4c9c..865f4a8c823a886becec4615ccad43285ee44145 100644
--- a/content/renderer/web_preferences.cc
+++ b/content/renderer/web_preferences.cc
@@ -197,8 +197,6 @@ void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) {
 
   settings->setLayerSquashingEnabled(prefs.layer_squashing_enabled);
 
-  settings->setThreadedHTMLParser(prefs.threaded_html_parser);
-
   // Enable gpu-accelerated compositing always.
   settings->setAcceleratedCompositingEnabled(true);
 
@@ -343,6 +341,7 @@ void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) {
   settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
   settings->setCompositorTouchHitTesting(prefs.compositor_touch_hit_testing);
 
+  settings->setThreadedHTMLParser(true);
   settings->setUseThreadedHTMLParserForDataURLs(true);
 }