DevTools: Format JSON even if it has with trailing whitespace

Patch by Jan Olaf Krems
https://gist.github.com/jkrems/5f08ab53c05d96356a1e

BUG=523124

Review URL: https://codereview.chromium.org/1303073002

git-svn-id: svn://svn.chromium.org/blink/trunk@200973 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/network/RequestJSONView.js

@@ -152,7 +152,7 @@ WebInspector.RequestJSONView.parseJSON = function(text)
     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 {