Assume all providers may give zero suggest responses.

chrome/browser/autocomplete/bookmark_provider.cc

Index: chrome/browser/autocomplete/bookmark_provider.cc
diff --git a/chrome/browser/autocomplete/bookmark_provider.cc b/chrome/browser/autocomplete/bookmark_provider.cc
index b465cba359e42e4ef082885862dc0dbe8884239f..c1926ece8dfe00f17b8d7d53ec87523cfab3d1af 100644
--- a/chrome/browser/autocomplete/bookmark_provider.cc
+++ b/chrome/browser/autocomplete/bookmark_provider.cc
@@ -65,12 +65,13 @@ BookmarkProvider::BookmarkProvider(Profile* profile)
 }
 
 void BookmarkProvider::Start(const AutocompleteInput& input,
-                             bool minimal_changes) {
+                             bool minimal_changes,
+                             bool called_due_to_focus) {
   if (minimal_changes)
     return;
   matches_.clear();
 
-  if (input.text().empty() ||
+  if (called_due_to_focus || input.text().empty() ||
       (input.type() == metrics::OmniboxInputType::FORCED_QUERY))
     return;