Remove unneeded calls to enable the threaded parser.

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 865f4a8c823a886becec4615ccad43285ee44145..ece65fd04b9e5048b86bb52142f8a445fcbb8350 100644
--- a/content/renderer/web_preferences.cc
+++ b/content/renderer/web_preferences.cc
@@ -340,9 +340,6 @@ void ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) {
       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