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

mojo/examples/pepper_container_app/plugin_instance.h

Index: mojo/examples/pepper_container_app/plugin_instance.h
diff --git a/mojo/examples/pepper_container_app/plugin_instance.h b/mojo/examples/pepper_container_app/plugin_instance.h
index 61f25fb828291e220a25d6e24b0f2f2ed45dc758..56bd73f5b9eac41d856c9395e98abd48845e47e3 100644
--- a/mojo/examples/pepper_container_app/plugin_instance.h
+++ b/mojo/examples/pepper_container_app/plugin_instance.h
@@ -66,6 +66,9 @@ class PluginInstance : public ppapi::thunk::PPB_Instance_API {
                                           PP_Bool final_result) OVERRIDE;
   virtual void SelectedFindResultChanged(PP_Instance instance,
                                          int32_t index) OVERRIDE;
+  virtual void SetTickmarks(PP_Instance instance,
+                            const PP_Rect* tickmarks,
+                            uint32_t count) OVERRIDE;
   virtual PP_Bool IsFullscreen(PP_Instance instance) OVERRIDE;
   virtual PP_Bool SetFullscreen(PP_Instance instance,
                                 PP_Bool fullscreen) OVERRIDE;