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

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index db7242bce67a9b0995cde3fe8a29c56a4d2fa453..c2250893db7c04d4ba30d52ece355b576c86f17c 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -5196,8 +5196,10 @@ void RenderFrameImpl::OnFind(int request_id,
   // 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.