Remove allow-webui-compositing switch

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index d0879abff31150b46d6b9a7c7062d303036137c5..816e34192d7ab96388b72b7de78c00f79ae26eaa 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -527,17 +527,6 @@ WebPreferences RenderViewHostImpl::GetWebkitPrefs(const GURL& url) {
 
   prefs.is_online = !net::NetworkChangeNotifier::IsOffline();
 
-#if !defined(USE_AURA)
-  // Force accelerated compositing and 2d canvas off for chrome: and about:
-  // pages (unless it's specifically allowed).
-  if ((url.SchemeIs(kChromeUIScheme) ||
-       (url.SchemeIs(chrome::kAboutScheme) && url.spec() != kAboutBlankURL)) &&
-      !command_line.HasSwitch(switches::kAllowWebUICompositing)) {
-    prefs.accelerated_compositing_enabled = false;
-    prefs.accelerated_2d_canvas_enabled = false;
-  }
-#endif
-
   prefs.fixed_position_creates_stacking_context = !command_line.HasSwitch(
       switches::kDisableFixedPositionCreatesStackingContext);