Fix HandleJavaScriptDialog.

chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc

Index: chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc
diff --git a/chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc b/chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc
index bb8fb8adb2fe3abf520c0c4266b64a3687ef954f..233ecb718bc2655b80c95232816ed8061aa8d928 100644
--- a/chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc
+++ b/chrome/browser/ui/javascript_dialogs/javascript_dialog_views.cc
@@ -34,6 +34,10 @@ void JavaScriptDialogViews::CloseDialogWithoutCallback() {
   GetWidget()->Close();
 }
 
+base::string16 JavaScriptDialogViews::GetUserInput() {
+  return message_box_view_->GetInputText();
+}
+
 int JavaScriptDialogViews::GetDefaultDialogButton() const {
   return ui::DIALOG_BUTTON_OK;
 }