GetDocumentURL is added to PPB_Testing_Dev.

ppapi/api/dev/ppb_testing_dev.idl

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /**
  * This file contains interface functions used for unit testing. Do not use in
  * production code. They are not guaranteed to be available in normal plugin
  * environments so you should not depend on them.
  */
 
 label Chrome {
   M14 = 0.7,
-  M15 = 0.8
+  M15 = 0.8,
+  M17 = 0.9
 };
 
 interface PPB_Testing_Dev {
   /**
    * Reads the bitmap data out of the backing store for the given
    * DeviceContext2D and into the given image. If the data was successfully
    * read, it will return PP_TRUE.
    *
    * This function should not generally be necessary for normal plugin
    * operation. If you want to update portions of a device, the expectation is
@@ skipping 70 matching lines @@
    * maintain certain invariants, such as always having a "mouse enter" event
    * before any other mouse event. Furthermore, the event the plugin receives
    * after sending a simulated event will be slightly different from the
    * original event. The browser may change the timestamp, add modifiers, and
    * slightly alter the mouse position, due to coordinate transforms it
    * performs.
    */
   [version=0.8]
   void SimulateInputEvent([in] PP_Instance instance,
                           [in] PP_Resource input_event);
+
+  /**
+   * Returns the URL for the document. This is a safe way to retrieve
+   * window.location.href.
+   * The components pointer, if non-NULL and the canonicalized URL is valid,
+   * will identify the components of the resulting URL. Components may be NULL
+   * to specify that no component information is necessary.

[bbudge, 2011/12/13 18:55:29]

A little awkward. How about:
If the canonicalized URL is valid, the method will parse the
URL and fill in the components structure. This pointer may be NULL to specify
that no component information is necessary.

[ygorshenin, 2011/12/14 17:41:10]

Done.

+   */
+  [version=0.9]
+  PP_Var GetDocumentURL([in] PP_Instance instance,
+                        [out] PP_URLComponents_Dev components);
 };