Add interface to set the sub resource crash key from Flash

ppapi/api/private/ppb_flash.idl

 /* Copyright (c) 2012 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 the <code>PPB_Flash</code> interface.
  */
 
 label Chrome {
@@ skipping 85 matching lines @@
 };
 
 /**
  * This enum provides keys for setting breakpad crash report data.
  */
 [assert_size(4)]
 enum PP_FlashCrashKey {
   /**
    * Specifies the document URL which contains the flash instance.
    */
-  PP_FLASHCRASHKEY_URL = 1
+  PP_FLASHCRASHKEY_URL = 1,
+
+  /**
+   * Specifies the URL of the current swf.
+   */
+  PP_FLASHCRASHKEY_RESOURCE_URL = 2
 };
 
 /**
  * The <code>PPB_Flash</code> interface contains pointers to various functions
  * that are only needed to support Pepper Flash.
  */
 interface PPB_Flash {
   /**
    * Sets or clears the rendering hint that the given plugin instance is always
    * on top of page content. Somewhat more optimized painting can be used in
@@ skipping 143 matching lines @@
    *
    * NOTE: This method is a synchronous version of |EnumerateDevices| in
    * PPB_VideoCapture_Dev.
    */
   [version=12.6]
   int32_t EnumerateVideoCaptureDevices(
       [in] PP_Instance instance,
       [in] PP_Resource video_capture,
       [in] PP_ArrayOutput devices);
 };