DevTools: Format JSON even if it has with trailing whitespace

Source/devtools/front_end/network/RequestJSONView.js

 /*
  * Copyright (C) 2011 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 134 matching lines @@
 
     // Return on blank payloads or on payloads significantly smaller than original text.
     if (inner.length === -1 || text.length - inner.length > 80)
         return null;
 
     var prefix = text.substring(0, inner.start);
     var suffix = text.substring(inner.end + 1);
     text = text.substring(inner.start, inner.end + 1);
 
     // Only process valid JSONP.
-    if (suffix.length && !(suffix.trim().startsWith(")") && prefix.trim().endsWith("(")))
+    if (suffix.trim().length && !(suffix.trim().startsWith(")") && prefix.trim().endsWith("(")))
         return null;
 
     try {
         return new WebInspector.ParsedJSON(WebInspector.RequestJSONView._buildObjectFromJSON(text), prefix, suffix);
     } catch (e) {
         return null;
     }
 }
 
 /**
@@ skipping 37 matching lines @@
 
 /**
  * @constructor
  */
 WebInspector.ParsedJSON = function(data, prefix, suffix)
 {
     this.data = data;
     this.prefix = prefix;
     this.suffix = suffix;
 }