Enable ExternalProtocolDialog for linux/views

chrome/browser/views/external_protocol_dialog.cc

Index: chrome/browser/views/external_protocol_dialog.cc
diff --git a/chrome/browser/views/external_protocol_dialog.cc b/chrome/browser/views/external_protocol_dialog.cc
index 1f7bf42305b437905d7587d56ff7c1efc7d629a3..6548eb6dcc2a1ee62c95cdaf0193754f181a79a1 100644
--- a/chrome/browser/views/external_protocol_dialog.cc
+++ b/chrome/browser/views/external_protocol_dialog.cc
@@ -39,6 +39,7 @@ void ExternalProtocolHandler::RunExternalProtocolDialog(
   }
   TabContents* tab_contents = tab_util::GetTabContentsByID(
       render_process_host_id, routing_id);
+  DCHECK(tab_contents);
   ExternalProtocolDialog* handler =
       new ExternalProtocolDialog(tab_contents, url, command);
 }
@@ -128,7 +129,7 @@ ExternalProtocolDialog::ExternalProtocolDialog(TabContents* tab_contents,
 
   message_box_view_ = new MessageBoxView(MessageBoxFlags::kIsConfirmMessageBox,
                                          message_text,
-                                         L"",
+                                         std::wstring(),
                                          kMessageWidth);
   message_box_view_->SetCheckBoxLabel(
       l10n_util::GetString(IDS_EXTERNAL_PROTOCOL_CHECKBOX_TEXT));