Always select best favicon bitmap

components/favicon_base/select_favicon_frames.cc

Index: components/favicon_base/select_favicon_frames.cc
diff --git a/components/favicon_base/select_favicon_frames.cc b/components/favicon_base/select_favicon_frames.cc
index 82b44baa6f607c6d641784d9a8fc91d6759ad438..8bc63e8d0ec72100dc31358d20c2ae74fe48f857 100644
--- a/components/favicon_base/select_favicon_frames.cc
+++ b/components/favicon_base/select_favicon_frames.cc
@@ -265,6 +265,9 @@ void SelectFaviconFrameIndices(const std::vector<gfx::Size>& frame_pixel_sizes,
   GetCandidateIndicesWithBestScores(
       frame_pixel_sizes, desired_sizes, match_score, &results);
 
+  if (!best_indices)
+    return;
+
   std::set<size_t> already_added;
   for (size_t i = 0; i < results.size(); ++i) {
     size_t index = results[i].index;