New Profile metric for Auth Errors.

chrome/browser/profiles/profile_info_cache.h

Index: chrome/browser/profiles/profile_info_cache.h
diff --git a/chrome/browser/profiles/profile_info_cache.h b/chrome/browser/profiles/profile_info_cache.h
index d38fca1d17875d29ee5d570dcdfb9cad012e0f1b..d2bd228ece51c6dcc2a27baaffb3eab8bca307e4 100644
--- a/chrome/browser/profiles/profile_info_cache.h
+++ b/chrome/browser/profiles/profile_info_cache.h
@@ -17,6 +17,7 @@
 #include "base/strings/string16.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/profiles/profile_info_interface.h"
+#include "google_apis/gaia/google_service_auth_error.h"
 
 namespace gfx {
 class Image;
@@ -85,6 +86,7 @@ class ProfileInfoCache : public ProfileInfoInterface,
   bool ProfileIsEphemeralAtIndex(size_t index) const override;
   bool ProfileIsUsingDefaultNameAtIndex(size_t index) const override;
   bool ProfileIsUsingDefaultAvatarAtIndex(size_t index) const override;
+  GoogleServiceAuthError::State ProfileAuthErrorAtIndex(size_t index) const;
 
   size_t GetAvatarIconIndexOfProfileAtIndex(size_t index) const;
 
@@ -113,6 +115,8 @@ class ProfileInfoCache : public ProfileInfoInterface,
   void SetProfileIsEphemeralAtIndex(size_t index, bool value);
   void SetProfileIsUsingDefaultNameAtIndex(size_t index, bool value);
   void SetProfileIsUsingDefaultAvatarAtIndex(size_t index, bool value);
+  void SetProfileAuthErrorAtIndex(size_t index,
+                                  GoogleServiceAuthError::State value);
 
   // Determines whether |name| is one of the default assigned names.
   bool IsDefaultProfileName(const base::string16& name) const;