Add support for //# sourceURL similar to deprecated //@ sourceURL one.

src/messages.js

Index: src/messages.js
diff --git a/src/messages.js b/src/messages.js
index 2ad68cbb032a8de3ffde75ab9938e40c2d600c55..ce075ce5e5f685d776c2292d03521223fad261c6 100644
--- a/src/messages.js
+++ b/src/messages.js
@@ -543,11 +543,11 @@ function ScriptLineCount() {
  * If sourceURL comment is available and script starts at zero returns sourceURL
  * comment contents. Otherwise, script name is returned. See
  * http://fbug.googlecode.com/svn/branches/firebug1.1/docs/ReleaseNotes_1.1.txt
- * for details on using //@ sourceURL comment to identify scritps that don't
- * have name.
+ * and Source Map Revision 3 proposal for details on using //# sourceURL and
+ * deprecated //@ sourceURL comment to identify scripts that don't have name.
  *
- * @return {?string} script name if present, value for //@ sourceURL comment
- * otherwise.
+ * @return {?string} script name if present, value for //# sourceURL or
+ * deprecated //@ sourceURL comment otherwise.
  */
 function ScriptNameOrSourceURL() {
   if (this.line_offset > 0 || this.column_offset > 0) {
@@ -572,7 +572,7 @@ function ScriptNameOrSourceURL() {
   this.cachedNameOrSourceURL = this.name;
   if (sourceUrlPos > 4) {
     var sourceUrlPattern =
-        /\/\/@[\040\t]sourceURL=[\040\t]*([^\s\'\"]*)[\040\t]*$/gm;
+        /\/\/[#@][\040\t]sourceURL=[\040\t]*([^\s\'\"]*)[\040\t]*$/gm;
     // Don't reuse lastMatchInfo here, so we create a new array with room
     // for four captures (array with length one longer than the index
     // of the fourth capture, where the numbering is zero-based).