Don't report single find match after all matches have already been reported.

content/renderer/render_frame_impl.cc

 // Copyright 2013 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 5178 matching lines @@
     return;
   }
 
   WebRect selection_rect;
   bool active_now = false;
 
   // If something is selected when we start searching it means we cannot just
   // increment the current match ordinal; we need to re-generate it.
   WebRange current_selection = frame_->selectionRange();
 
-  if (frame_->find(request_id, search_text, options,
-                   false /* wrapWithinFrame */, &selection_rect, &active_now)) {
+  bool result = frame_->find(request_id, search_text, options,
+                             false /* wrapWithinFrame */, &selection_rect,
+                             &active_now);
+  if (result && !options.findNext) {
     // Indicate that at least one match has been found. 1 here means possibly
     // more matches could be coming. -1 here means that the exact active match
     // ordinal is not yet known.
     SendFindReply(request_id, 1 /* match_count */, -1 /* ordinal */,
                   gfx::Rect(), false /* final_status_update */ );
   }
 
   if (options.findNext && current_selection.isNull() && active_now) {
     // Force report of the actual count.
     frame_->increaseMatchCount(0, request_id);
@@ skipping 1117 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content