DevTools: expect length/size hints in descriptions with parenthesis

third_party/WebKit/Source/devtools/front_end/sdk/RemoteObject.js

 /*
  * Copyright (C) 2009 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 52 matching lines @@
     return remoteObject.type;
   }
 
   /**
    * @param {!SDK.RemoteObject|!Protocol.Runtime.RemoteObject|!Protocol.Runtime.ObjectPreview} object
    * @return {number}
    */
   static arrayLength(object) {
     if (object.subtype !== 'array' && object.subtype !== 'typedarray')
       return 0;
-    var matches = object.description.match(/\[([0-9]+)\]/);
+    var matches = object.description.match(/\[([0-9]+)\]/) || object.description.match(/\(([0-9]+)\)/);
     if (!matches)
       return 0;
     return parseInt(matches[1], 10);
   }
 
   /**
    * @param {!Protocol.Runtime.RemoteObject|!SDK.RemoteObject|number|string|boolean|undefined|null} object
    * @return {!Protocol.Runtime.CallArgument}
    */
   static toCallArgument(object) {
@@ skipping 1330 matching lines @@
     }
   }
 
   /**
    * @return {!SDK.RemoteObject}
    */
   object() {
     return this._object;
   }
 };