Introduce ContentSettingsClient interface

components/content_settings/core/browser/content_settings_client.cc

Index: components/content_settings/core/browser/content_settings_client.cc
diff --git a/components/content_settings/core/browser/content_settings_client.cc b/components/content_settings/core/browser/content_settings_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0c2badbad599e363bf2b5660d970cba4557cccc6
--- /dev/null
+++ b/components/content_settings/core/browser/content_settings_client.cc
@@ -0,0 +1,15 @@
+// Copyright (c) 2014 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/content_settings/core/browser/content_settings_client.h"
+
+namespace content_settings {
+
+ContentSettingsClient::ContentSettingsClient() {

[blundell, 2014/10/09 05:50:50]

Do you anticipate adding optional methods? If not, I would fold these into the
.h file.

[vabr (Chromium), 2014/10/09 13:47:54]

Done.

+}
+
+ContentSettingsClient::~ContentSettingsClient() {
+}
+
+}  // namespace content_settings