DevTools: get rid of the global capabilities set.

Source/devtools/front_end/sdk/OverridesSupport.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 789 matching lines @@
         // FIXME: adapt this to multiple targets.
         if (target === this._target)
             target.resourceTreeModel.removeEventListener(WebInspector.ResourceTreeModel.EventTypes.MainFrameNavigated, this._onMainFrameNavigated, this);
     },
 
     /**
      * @return {boolean}
      */
     hasTouchInputs: function()
     {
-        return !!this._target && this._target.hasTouchInputs;
+        return !!this._target && this._target.hasCapability(WebInspector.Target.Capabilities.hasTouchInputs);
     },
 
     /**
      * @return {boolean}
      */
     networkThroughputIsLimited: function()
     {
         var conditions = this.settings.networkConditions.get();
         return conditions.throughput !== WebInspector.OverridesSupport.NetworkThroughputUnlimitedValue;
     },
 
     reveal: function()
     {
         WebInspector.Revealer.reveal(this);
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 
 /**
  * @type {!WebInspector.OverridesSupport}
  */
 WebInspector.overridesSupport;