[chromecast] Add ResourceBundle::LoadLocalizedResourceBytes().

content/browser/webui/web_ui_data_source_impl.cc

Index: content/browser/webui/web_ui_data_source_impl.cc
diff --git a/content/browser/webui/web_ui_data_source_impl.cc b/content/browser/webui/web_ui_data_source_impl.cc
index 0b07bddf0043f85ecc50e78ef55699b85ba00dae..80a7e1a19d5a90bd9135aea9cbd574e156d73614 100644
--- a/content/browser/webui/web_ui_data_source_impl.cc
+++ b/content/browser/webui/web_ui_data_source_impl.cc
@@ -252,7 +252,8 @@ void WebUIDataSourceImpl::StartDataRequest(
   // TODO(dschuyler): improve filtering of which resource to run template
   // expansion upon. TODO(dbeam): make a streaming filter that works on gzipped
   // content.
-  if (GetMimeType(path) == "text/html" && !source()->IsGzipped(path)) {
+  if (response.get() && GetMimeType(path) == "text/html" &&
+      !source()->IsGzipped(path)) {
     std::string replaced = ui::ReplaceTemplateExpressions(
         base::StringPiece(response->front_as<char>(), response->size()),
         replacements_);