Add a PPB_Find_Private function to set the tickmarks on the page.

ppapi/c/private/ppb_find_private.h

 /* Copyright 2014 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.
  */
 
-/* From private/ppb_find_private.idl modified Thu Mar 13 11:56:31 2014. */
+/* From private/ppb_find_private.idl modified Wed Mar 19 13:42:13 2014. */
 
 #ifndef PPAPI_C_PRIVATE_PPB_FIND_PRIVATE_H_
 #define PPAPI_C_PRIVATE_PPB_FIND_PRIVATE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
+#include "ppapi/c/pp_point.h"
+#include "ppapi/c/pp_rect.h"
+#include "ppapi/c/pp_size.h"
 #include "ppapi/c/pp_stdint.h"
 
 #define PPB_FIND_PRIVATE_INTERFACE_0_3 "PPB_Find_Private;0.3"
 #define PPB_FIND_PRIVATE_INTERFACE PPB_FIND_PRIVATE_INTERFACE_0_3
 
 /**
  * @file
  * This file defines the <code>PPB_Find_Private</code> interface.
  */
 
@@ skipping 29 matching lines @@
    * finished searching should it pass in the final count with final_result set
    * to PP_TRUE.
    */
   void (*NumberOfFindResultsChanged)(PP_Instance instance,
                                      int32_t total,
                                      PP_Bool final_result);
   /**
    * Updates the index of the currently selected search item.
    */
   void (*SelectedFindResultChanged)(PP_Instance instance, int32_t index);
+  /**
+   * Updates the tickmarks on the scrollbar for the find request. |tickmarks|
+   * contains |count| PP_Rects indicating the tickmark ranges.
+   */
+  void (*SetTickmarks)(PP_Instance instance,
+                       const struct PP_Rect tickmarks[],
+                       uint32_t count);
 };
 
 typedef struct PPB_Find_Private_0_3 PPB_Find_Private;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPB_FIND_PRIVATE_H_ */