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

chrome/browser/browsing_data_database_helper.h

Index: chrome/browser/browsing_data_database_helper.h
===================================================================
--- chrome/browser/browsing_data_database_helper.h	(revision 40181)
+++ chrome/browser/browsing_data_database_helper.h	(working copy)
@@ -10,6 +10,7 @@
 
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
+#include "chrome/common/url_constants.h"
 #include "webkit/database/database_tracker.h"
 
 class Profile;
@@ -41,6 +42,18 @@
           last_modified(last_modified) {
     }
 
+    bool IsExtensionSchemeData() {
+      return StartsWithASCII(origin_identifier,
+                             std::string(chrome::kExtensionScheme),
+                             true);
+    }
+
+    bool IsFileSchemeData() {
+      return StartsWithASCII(origin_identifier,
+                             std::string(chrome::kFileScheme),
+                             true);
+    }
+
     std::string host;
     std::string database_name;
     std::string origin_identifier;