Fix beep when navigating/closing a page with find bar open

content/browser/find_request_manager.h

 // Copyright 2016 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.
 
 #ifndef CONTENT_BROWSER_FIND_REQUEST_MANAGER_H_
 #define CONTENT_BROWSER_FIND_REQUEST_MANAGER_H_
 
 #include <queue>
 #include <unordered_map>
 #include <unordered_set>
@@ skipping 107 matching lines @@
   // Called when an informative response (a response with enough information to
   // be able to route subsequent find requests) comes in for the find request
   // with ID |request_id|. Advances the |find_request_queue_| if appropriate.
   void AdvanceQueue(int request_id);
 
   // Sends a find IPC containing the find request |request| to the RenderFrame
   // associated with |rfh|.
   void SendFindIPC(const FindRequest& request, RenderFrameHost* rfh);
 
   // Sends the find results (as they currently are) to the WebContents.
-  void NotifyFindReply(int request_id, bool final_update);
+  void NotifyFindReply(int request_id,
+                       bool final_update,
+                       bool was_frame_removal);
 
   // Returns the initial frame in search order. This will be either the first
   // frame, if searching forward, or the last frame, if searching backward.
   RenderFrameHost* GetInitialFrame(bool forward) const;
 
   // Traverses the frame tree to find and return the next RenderFrameHost after
   // |from_rfh| in search order. |forward| indicates whether the frame tree
   // should be traversed forward (if true) or backward (if false). If
   // |matches_only| is set, then the frame tree will be traversed until the
   // first frame is found for which matches have been found. If |wrap| is set,
@@ skipping 165 matching lines @@
   std::queue<FindRequest> find_request_queue_;
 
   // Keeps track of the find request ID of the last find reply reported via
   // NotifyFindReply().
   int last_reported_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FIND_REQUEST_MANAGER_H_