Clearly identify extension and file:// resources in the cookie tree view.

chrome/browser/browsing_data_local_storage_helper.h

Index: chrome/browser/browsing_data_local_storage_helper.h
===================================================================
--- chrome/browser/browsing_data_local_storage_helper.h	(revision 40181)
+++ chrome/browser/browsing_data_local_storage_helper.h	(working copy)
@@ -11,6 +11,7 @@
 #include "base/file_path.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
+#include "chrome/common/url_constants.h"
 
 class Profile;
 
@@ -46,6 +47,14 @@
           last_modified(last_modified) {
     }
 
+    bool IsExtensionSchemeData() {
+      return protocol == chrome::kExtensionScheme;
+    }
+
+    bool IsFileSchemeData() {
+      return protocol == chrome::kFileScheme;
+    }
+
     std::string protocol;
     std::string host;
     unsigned short port;