Handle "//# sourceURL" comments in the Parser instead of the JS.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 6607c45f6ea9290f63775a3b6b421ecd9e10372b..fbf64159cc7e0c98aa5fdb6eb53d2ec8748b4038 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -947,6 +947,15 @@ class V8_EXPORT UnboundScript {
   Handle<Value> GetScriptName();
 
   /**
+   * Data read from magic sourceURL comments.
+   */
+  Handle<Value> GetSourceURL();
+  /**
+   * Data read from magic sourceMappingURL comments.
+   */
+  Handle<Value> GetSourceMappingURL();
+
+  /**
    * Returns zero based line number of the code_pos location in the script.
    * -1 will be returned if no information available.
    */