Remove deferred filters command-line flag.

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index 135719d822349a8a09dc40efc9b7091298c50cb1..837fadf3659e4c58e2bd9f36cf30e70afd15d366 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -1011,9 +1011,6 @@ void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
   settings->setAccelerated2dCanvasMSAASampleCount(
       prefs.accelerated_2d_canvas_msaa_sample_count);
 
-  // Enable deferred filter rendering if requested on the command line.
-  settings->setDeferredFiltersEnabled(prefs.deferred_filters_enabled);
-
   // Enable container culling if requested on the command line.
   settings->setContainerCullingEnabled(prefs.container_culling_enabled);