Expose translatedUri (for clients who want to normalize URIs).

compiler/java/com/google/dart/compiler/UrlSource.java

Index: compiler/java/com/google/dart/compiler/UrlSource.java
===================================================================
--- compiler/java/com/google/dart/compiler/UrlSource.java	(revision 12506)
+++ compiler/java/com/google/dart/compiler/UrlSource.java	(working copy)
@@ -118,6 +118,15 @@
     return absoluteUri.toString();
   }
 
+  /**
+   * Get the translated URI for this source.
+   * 
+   * @return the translated URI
+   */
+  public URI getTranslatedUri() {
+    return translatedUri;
+  }
+  
   @Override
   public URI getUri() {
     return absoluteUri;