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

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 684b2c292ed9448a739e46b8358bb0339eb69d43..52c8747235e11a2f769ad425765ada747ca89eae 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -1131,6 +1131,12 @@ class V8_EXPORT Message {
   Handle<Value> GetScriptResourceName() const;
 
   /**
+   * Returns the resource name for the script from where the function causing

[vsevik, 2014/04/30 10:18:40]

Returns the resource name or sourceURL for the script from where the function
causing the error originates.

+   * the error originates. (or sourceURL).
+   */
+  Handle<Value> GetScriptResourceNameOrSourceURL() const;
+
+  /**
    * Returns the resource data for the script from where the function causing
    * the error originates.
    */