Revert of Handling new frames and frame navigations with find-in-page during a find session.

third_party/WebKit/public/web/WebFindOptions.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 35 matching lines @@
     // Whether this operation is the first request or a follow-up.
     bool findNext;
 
     // Whether this operation should look for matches only at the start of words.
     bool wordStart;
 
     // When combined with wordStart, accepts a match in the middle of a word if the match begins with
     // an uppercase letter followed by a lowercase or non-letter. Accepts several other intra-word matches.
     bool medialCapitalAsWordStart;
 
-    // Force a re-search of the frame: typically used when forcing a re-search
-    // after the frame navigates.
-    bool force;
-
     WebFindOptions()
         : forward(true)
         , matchCase(false)
         , findNext(false)
         , wordStart(false)
-        , medialCapitalAsWordStart(false)
-        , force(false) { }
+        , medialCapitalAsWordStart(false) { }
 };
 
 } // namespace blink
 
 #endif