Make profile statistics tasks inspectable by tests

chrome/browser/profiles/profile_statistics_constants.h

Index: chrome/browser/profiles/profile_statistics_constants.h
diff --git a/chrome/browser/profiles/profile_statistics_constants.h b/chrome/browser/profiles/profile_statistics_constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..14a2995c75140be160511c1edbebacea3d876c7b
--- /dev/null
+++ b/chrome/browser/profiles/profile_statistics_constants.h
@@ -0,0 +1,16 @@
+// Copyright 2016 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_CONSTANTS_H_
+#define CHROME_BROWSER_PROFILES_PROFILE_STATISTICS_CONSTANTS_H_
+
+namespace profiles {

[Mike Lerman, 2016/03/15 18:54:22]

this can go with profile_statistics_types I think. Likely never need one without
the other.

[lwchkg, 2016/03/16 13:28:02]

Agree. Just struggled on the new name. Anyway, I'll name the new file
profile_statistics_common.

+// Constants for the categories in ProfileCategoryStats
+extern const char kProfileStatisticsBrowsingHistory[];
+extern const char kProfileStatisticsPasswords[];
+extern const char kProfileStatisticsBookmarks[];
+extern const char kProfileStatisticsSettings[];
+}  // namespace profiles
+
+#endif  // CHROME_BROWSER_PROFILES_PROFILE_STATISTICS_CONSTANTS_H_