Add an infrastructure to query history.google.com about other forms of browsing history.

components/browsing_data/history_notice_utils.cc

Index: components/browsing_data/history_notice_utils.cc
diff --git a/components/browsing_data/history_notice_utils.cc b/components/browsing_data/history_notice_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..37f70724e782b14a880e2b0b6dfbe68ac6b5b5e8
--- /dev/null
+++ b/components/browsing_data/history_notice_utils.cc
@@ -0,0 +1,21 @@
+// 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.
+
+#include "components/browsing_data/history_notice_utils.h"
+
+#include "components/browser_sync/browser/profile_sync_service.h"
+#include "components/history/core/browser/web_history_service.h"
+
+namespace browsing_data {
+
+bool ShouldShowNoticeAboutOtherFormsOfBrowsingHistory(
+    const ProfileSyncService* sync_service,
+    const history::WebHistoryService* history_service) {
+  return (sync_service &&

[sdefresne, 2016/03/17 09:49:39]

nit: return is not a function, so you can remove the superfluous parentheses

return sync_service && ...

[msramek, 2016/03/17 13:04:34]

Done.

+          sync_service->IsUsingSecondaryPassphrase() &&
+          history_service &&
+          history_service->HasOtherFormsOfBrowsingHistory());
+}
+
+}  // namespace browsing_data