Remove EnableThreadedCompositing from the browser.

content/browser/resources/gpu/info_view.js

 // 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.
 
 
 /**
  * @fileoverview This view displays information on the current GPU
  * hardware.  Its primary usefulness is to allow users to copy-paste
  * their data in an easy to read format for bug reports.
  */
@@ skipping 87 matching lines @@
       };
       var statusLabelMap = {
         'disabled_software': 'Software only. Hardware acceleration disabled.',
         'disabled_software_animated': 'Software animated.',
         'disabled_software_multithreaded': 'Software only, multi-threaded',
         'disabled_off': 'Unavailable. Hardware acceleration disabled.',
         'software': 'Software rendered. Hardware acceleration not enabled.',
         'unavailable_off': 'Unavailable. Hardware acceleration unavailable',
         'unavailable_software':
             'Software only, hardware acceleration unavailable',
-        'unavailable_software_threaded':
-            'Software only and threaded. Hardware acceleration unavailable.',
         'enabled_readback': 'Hardware accelerated, but at reduced performance',
         'enabled_force': 'Hardware accelerated',
-        'enabled_threaded': 'Hardware accelerated and threaded.',
         'enabled': 'Hardware accelerated',
         'accelerated': 'Accelerated',
-        'accelerated_threaded': 'Accelerated and threaded',
         // GPU Switching
         'gpu_switching_automatic': 'Automatic switching',
         'gpu_switching_force_discrete': 'Always on discrete GPU',
         'gpu_switching_force_integrated': 'Always on integrated GPU',
       };
 
       var statusClassMap = {
         'disabled_software': 'feature-yellow',
         'disabled_software_animated': 'feature-yellow',
         'disabled_software_multithreaded': 'feature-yellow',
         'disabled_off': 'feature-red',
         'software': 'feature-yellow',
         'unavailable_off': 'feature-red',
         'unavailable_software': 'feature-yellow',
-        'unavailable_software_threaded': 'feature-yellow',
         'enabled_force': 'feature-green',
         'enabled_readback': 'feature-yellow',
-        'enabled_threaded': 'feature-green',
         'enabled': 'feature-green',
         'accelerated': 'feature-green',
-        'accelerated_threaded': 'feature-green',
         // GPU Switching
         'gpu_switching_automatic': 'feature-green',
         'gpu_switching_force_discrete': 'feature-red',
         'gpu_switching_force_integrated': 'feature-red',
       };
 
       // GPU info, basic
       var diagnosticsDiv = this.querySelector('.diagnostics');
       var diagnosticsLoadingDiv = this.querySelector('.diagnostics-loading');
       var featureStatusList = this.querySelector('.feature-status-list');
@@ skipping 200 matching lines @@
 
       peg.innerHTML = '';
       peg.appendChild(template);
     }
   };
 
   return {
     InfoView: InfoView
   };
 });