Add counts of User data to ProfileInfoCache

chrome/browser/profiles/profile_statistics.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_STATISTICS_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_STATISTICS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
+#include "base/files/file_path.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/profiles/profile.h"
 
 namespace profiles {
 
 // Constants for the categories in ProfileCategoryStats
 extern const char kProfileStatisticsBrowsingHistory[];
 extern const char kProfileStatisticsPasswords[];
 extern const char kProfileStatisticsBookmarks[];
 extern const char kProfileStatisticsSettings[];
 
 // Definition of a single return value of |ProfileStatisticsCallback|. If
 // |success| is false, the statistics failed to load and |count| is undefined.
 // The data look like these: {"BrowsingHistory", 912, true},
 // {"Passwords", 71, true}, {"Bookmarks", 120, true}, {"Settings", 200, true}
 struct ProfileCategoryStat {
   std::string category;
   int count;
   bool success;
 };
 
 // Definition of the return value of |ProfileStatisticsCallback|.
 using ProfileCategoryStats = std::vector<ProfileCategoryStat>;
 
 // Definition of the callback function. Note that a copy of
 // |ProfileCategoryStats| is made each time the callback is called.
 using ProfileStatisticsCallback = base::Callback<void(ProfileCategoryStats)>;
 
+// Profile Statistics ----------------------------------------------------------
+
 // 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.
 void GetProfileStatistics(Profile* profile,
                           const ProfileStatisticsCallback& callback,
                           base::CancelableTaskTracker* tracker);
 
+// ProfileInfoCache ------------------------------------------------------------
+
+// Gets statistical information from ProfileInfoCache.
+ProfileCategoryStats GetProfileStatisticsFromCache(
+    const base::FilePath& profile_path);
+
+// Sets an individual statistic to ProfileInfoCache.
+void SetProfileStatisticsInCache(const base::FilePath& profile_path,
+                                 const std::string& category, int count);
+
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_STATISTICS_H_