Introduce a resource identifier for content settings.

chrome/test/testing_pref_service.h

Index: chrome/test/testing_pref_service.h
diff --git a/chrome/test/testing_pref_service.h b/chrome/test/testing_pref_service.h
index d4512d90dbb32162260dfb651de97cb1a3a27c74..6728fe0a03294879857725809002e3730d432c2d 100644
--- a/chrome/test/testing_pref_service.h
+++ b/chrome/test/testing_pref_service.h
@@ -6,7 +6,7 @@
 #define CHROME_TEST_TESTING_PREF_SERVICE_H_
 #pragma once
 
-#include <chrome/browser/pref_service.h>
+#include "chrome/browser/pref_service.h"
 
 // A PrefService subclass for testing. It operates totally in memory and
 // provides additional API for manipulating preferences at the different levels
@@ -47,6 +47,8 @@ class TestingPrefService : public PrefService {
   // Pointers to the pref stores our value store uses.
   PrefStore* managed_prefs_;
   PrefStore* user_prefs_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestingPrefService);
 };
 
 #endif  // CHROME_TEST_TESTING_PREF_SERVICE_H_