[DevTools] Pass error object when reporting exceptions.

third_party/WebKit/Source/devtools/front_end/sdk/RuntimeModel.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 359 matching lines @@
         var consoleMessage = new WebInspector.ConsoleMessage(
             this._runtimeModel.target(),
             WebInspector.ConsoleMessage.MessageSource.JS,
             WebInspector.ConsoleMessage.MessageLevel.Error,
             details.text,
             undefined,
             details.url,
             details.lineNumber,
             details.columnNumber,
             undefined,
-            exception ? ["Uncaught (in promise)", exception] : undefined,
+            exception ? [WebInspector.RemoteObject.fromLocalObject(details.text), exception] : undefined,
             details.stackTrace,
             timestamp,
             executionContextId,
             details.scriptId);
         consoleMessage.setExceptionId(exceptionId);
         this._runtimeModel.target().consoleModel.addMessage(consoleMessage);
     },
 
     /**
      * @override
@@ skipping 617 matching lines @@
     /**
      * @return {boolean}
      */
     isNormalListenerType: function()
     {
         return this._listenerType === "normal";
     },
 
     __proto__: WebInspector.SDKObject.prototype
 }