[WIP] make GURL::path() return a StringPiece

chrome/browser/plugins/plugin_info_message_filter.cc

Index: chrome/browser/plugins/plugin_info_message_filter.cc
diff --git a/chrome/browser/plugins/plugin_info_message_filter.cc b/chrome/browser/plugins/plugin_info_message_filter.cc
index 10b56e7c3ee55be6061554e2a625e267504251dd..01b66789738bac05ad4ed1307254a0643b9f65b4 100644
--- a/chrome/browser/plugins/plugin_info_message_filter.cc
+++ b/chrome/browser/plugins/plugin_info_message_filter.cc
@@ -137,8 +137,9 @@ bool IsPluginLoadingAccessibleResourceInWebView(
   const std::string extension_id = resource.host();
   const extensions::Extension* extension = extension_registry->GetExtensionById(
       extension_id, extensions::ExtensionRegistry::ENABLED);
-  if (!extension || !extensions::WebviewInfo::IsResourceWebviewAccessible(
-          extension, partition_id, resource.path())) {
+  if (!extension ||
+      !extensions::WebviewInfo::IsResourceWebviewAccessible(
+          extension, partition_id, resource.path().as_string())) {
     return false;
   }