Turning on clip anti-aliasing by default in Chrome.

content/browser/renderer_host/render_view_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 446 matching lines @@
 
   prefs.allow_file_access_from_file_urls =
       command_line.HasSwitch(switches::kAllowFileAccessFromFiles);
 
   prefs.accelerated_2d_canvas_enabled =
       GpuProcessHost::gpu_enabled() &&
       !command_line.HasSwitch(switches::kDisableAccelerated2dCanvas);
   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());
 
   prefs.inert_visual_viewport =
       command_line.HasSwitch(switches::kInertVisualViewport);
 
   prefs.pinch_overlay_scrollbar_thickness = 10;
   prefs.use_solid_color_scrollbars = ui::IsOverlayScrollbarEnabled();
 
@@ skipping 843 matching lines @@
     // Note: We are using the origin URL provided by the sender here. It may be
     // different from the receiver's.
     file_system_file.url =
         GURL(storage::GetIsolatedFileSystemRootURIString(
                  file_system_url.origin(), filesystem_id, std::string())
                  .append(register_name));
   }
 }
 
 }  // namespace content