Rename PPB_Find_Dev to PPB_Find_Private

ppapi/api/private/ppb_find_private.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 defines the <code>PPB_Find_Dev</code> interface.
+ * This file defines the <code>PPB_Find_Private</code> interface.
  */
 
 [generate_thunk]
 
 label Chrome {
   M14 = 0.3
 };
 
-// TODO(raymes): Make PPP/PPB_Find_Dev a private interface. It's only used by
-// PDF currently and it's restrictive in the way it can be used.
-interface PPB_Find_Dev {
+/**
+ * This is a private interface for doing browser Find in the PDF plugin.
+ */
+interface PPB_Find_Private {
   /**
    * Sets the instance of this plugin as the mechanism that will be used to
    * handle find requests in the renderer. This will only succeed if the plugin
    * is embedded within the content of the top level frame. Note that this will
    * result in the renderer handing over all responsibility for doing find to
    * the plugin and content from the rest of the page will not be searched.
    *
    *
    * In the case that the plugin is loaded directly as the top level document,
    * this function does not need to be called. In that case the plugin is
@@ skipping 18 matching lines @@
       [in] PP_Bool final_result);
 
   /**
    * Updates the index of the currently selected search item.
    */
   void SelectedFindResultChanged(
       [in] PP_Instance instance,
       [in] int32_t index);
 };