Fix the handling of user gestures for external protocol handler dialogs.

chrome/browser/autocomplete/autocomplete_input.cc

Index: chrome/browser/autocomplete/autocomplete_input.cc
diff --git a/chrome/browser/autocomplete/autocomplete_input.cc b/chrome/browser/autocomplete/autocomplete_input.cc
index aea5f7a5e64e17cad66969ca44756a2f39b937c1..17455cd07fd134eda3cc7c0449d0b30425dc3198 100644
--- a/chrome/browser/autocomplete/autocomplete_input.cc
+++ b/chrome/browser/autocomplete/autocomplete_input.cc
@@ -198,7 +198,7 @@ AutocompleteInput::Type AutocompleteInput::Parse(
     // TODO(viettrungluu): get rid of conversion.
     ExternalProtocolHandler::BlockState block_state =
         ExternalProtocolHandler::GetBlockState(
-            base::UTF16ToUTF8(parsed_scheme));
+            base::UTF16ToUTF8(parsed_scheme), true);
     switch (block_state) {
       case ExternalProtocolHandler::DONT_BLOCK:
         return URL;