Utilize ProfileInfoCache to support data type counts in profile deletion flow

chrome/browser/profiles/profile_statistics.h

Index: chrome/browser/profiles/profile_statistics.h
diff --git a/chrome/browser/profiles/profile_statistics.h b/chrome/browser/profiles/profile_statistics.h
index 61bba0d7c93cc61d941e1d3bf5180d7be1e695ca..da20cc46042ae9d3a34df3bdc0c4f8060378ef28 100644
--- a/chrome/browser/profiles/profile_statistics.h
+++ b/chrome/browser/profiles/profile_statistics.h
@@ -42,11 +42,16 @@ using ProfileStatisticsCallback = base::Callback<void(ProfileCategoryStats)>;
 // This function collects statistical information about |profile| and returns
 // the information via |callback|. Currently bookmarks, history, logins and
 // preferences are counted. The callback function will probably be called more
-// than once so binding parameters with bind::Passed() is prohibited.
+// than once so binding parameters with bind::Passed() is prohibited. The
+// statistical information are also copied to ProfileInfoCache.
 void GetProfileStatistics(Profile* profile,
                           const ProfileStatisticsCallback& callback,
                           base::CancelableTaskTracker* tracker);
 
+// This function collects statistical information about |profile| and sends the
+// information to the ProfileInfoCache.
+void StoreProfileStatisticsToCache(Profile* profile);
+
 // ProfileInfoCache ------------------------------------------------------------
 
 // Gets statistical information from ProfileInfoCache.