Move browsing data deletion prefs to components

components/browsing_data/pref_names.h

Index: components/browsing_data/pref_names.h
diff --git a/components/browsing_data/pref_names.h b/components/browsing_data/pref_names.h
index 16f20fe913cedc53218c8307a8143f62643c4c59..8ee1e8ca19e953aa8b8e5f337756abf7a876d2e7 100644
--- a/components/browsing_data/pref_names.h
+++ b/components/browsing_data/pref_names.h
@@ -8,7 +8,18 @@
 namespace browsing_data {
 
 namespace prefs {
+
 extern const char kDeleteTimePeriod[];
+
+extern const char kDeleteBrowsingHistory[];
+extern const char kDeleteDownloadHistory[];
+extern const char kDeleteCache[];
+extern const char kDeleteCookies[];
+extern const char kDeletePasswords[];
+extern const char kDeleteFormData[];
+extern const char kDeleteHostedAppsData[];
+extern const char kDeleteMediaLicenses[];
+
 }  // namespace prefs
 
 }  // namespace browsing_data