Early return the Clipboard Url Provider when the omnibox wasn't focused.

components/open_from_clipboard/clipboard_url_provider.cc

Index: components/open_from_clipboard/clipboard_url_provider.cc
diff --git a/components/open_from_clipboard/clipboard_url_provider.cc b/components/open_from_clipboard/clipboard_url_provider.cc
index 33fdf38bc81fbcd00c3f119df9c9c4bf0eeb7896..8590784f91048826b9b9efecde74946eeb25f503 100644
--- a/components/open_from_clipboard/clipboard_url_provider.cc
+++ b/components/open_from_clipboard/clipboard_url_provider.cc
@@ -31,6 +31,8 @@ void ClipboardURLProvider::Start(const AutocompleteInput& input,
                                  bool minimal_changes,
                                  bool called_due_to_focus) {
   matches_.clear();
+  if (!called_due_to_focus)
+    return;
   // Attempt to add an AutocompleteMatch only if the user has not entered
   // anything in the omnibox.
   if (input.cursor_position() == base::string16::npos) {