Turning on clip anti-aliasing by default in Chrome.

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 6d4e908768ef7c67faf0459c529671e9dbc690ce..e56330aced71e8627499f7886bbd0e7ce1204d22 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -464,7 +464,7 @@ WebPreferences RenderViewHostImpl::ComputeWebkitPrefs() {
   prefs.antialiased_2d_canvas_disabled =
       command_line.HasSwitch(switches::kDisable2dCanvasAntialiasing);
   prefs.antialiased_clips_2d_canvas_enabled =
-      command_line.HasSwitch(switches::kEnable2dCanvasClipAntialiasing);
+      !command_line.HasSwitch(switches::kDisable2dCanvasClipAntialiasing);
   prefs.accelerated_2d_canvas_msaa_sample_count =
       atoi(command_line.GetSwitchValueASCII(
       switches::kAcceleratedCanvas2dMSAASampleCount).c_str());