Add GAIA info to profile info cache

chrome/test/base/testing_profile_manager.h

Index: chrome/test/base/testing_profile_manager.h
diff --git a/chrome/test/base/testing_profile_manager.h b/chrome/test/base/testing_profile_manager.h
index ae6a0ed4455c81e2c13e64d11926a0bbb6989879..c055f3453db408530b97b79f68976b920ae9a1b2 100644
--- a/chrome/test/base/testing_profile_manager.h
+++ b/chrome/test/base/testing_profile_manager.h
@@ -52,6 +52,10 @@ class TestingProfileManager {
   // Deletes a TestingProfile from the profile subsystem.
   void DeleteTestingProfile(const std::string& profile_name);
 
+  // Deletes the cache instance. This is useful for testing that the cache is
+  // properly persisting data.
+  void DeleteProfileInfoCache();
+
   // Helper accessors.
   ProfileManager* profile_manager();
   ProfileInfoCache* profile_info_cache();