Add v8::Message::GetScriptOrigin() with tests

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 1113 matching lines @@
   Local<String> Get() const;
   Local<String> GetSourceLine() const;
 
   /**
    * Returns the resource name for the script from where the function causing
    * the error originates.
    */
   Handle<Value> GetScriptResourceName() const;
 
   /**
+   * Returns the resource name or sourceURL for the script from where the
+   * function causing the error originates.
+   */
+  Handle<Value> GetScriptResourceNameOrSourceURL() const;

[yurys, 2014/05/05 07:30:40]

Would it make sense to expose GetUboundScript() method on Message object and
have script-specific methods right on UboundScript object instead of repeating
them in Message and other places in the API?

+
+  /**
    * Returns the resource data for the script from where the function causing
    * the error originates.
    */
   Handle<Value> GetScriptData() const;
 
   /**
    * Exception stack trace. By default stack traces are not captured for
    * uncaught exceptions. SetCaptureStackTraceForUncaughtExceptions allows
    * to change this option.
    */
@@ skipping 5445 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_