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

content/public/browser/web_contents_delegate.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <set>
@@ skipping 413 matching lines @@
                                          bool user_gesture) {}
 
   // Result of string search in the page. This includes the number of matches
   // found and the selection rect (in screen coordinates) for the string found.
   // If |final_update| is false, it indicates that more results follow.
   virtual void FindReply(WebContents* web_contents,
                          int request_id,
                          int number_of_matches,
                          const gfx::Rect& selection_rect,
                          int active_match_ordinal,
-                         bool final_update) {}
+                         bool final_update,
+                         bool was_frame_removal) {}
 
 #if defined(OS_ANDROID)
   // Provides the rects of the current find-in-page matches.
   // Sent as a reply to RequestFindMatchRects.
   virtual void FindMatchRectsReply(WebContents* web_contents,
                                    int version,
                                    const std::vector<gfx::RectF>& rects,
                                    const gfx::RectF& active_rect) {}
 #endif
 
@@ skipping 136 matching lines @@
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_