Introduce ContentSettingsClient interface

components/content_settings/core/browser/stub_local_shared_objects_counter.cc

Index: components/content_settings/core/browser/stub_local_shared_objects_counter.cc
diff --git a/components/content_settings/core/browser/stub_local_shared_objects_counter.cc b/components/content_settings/core/browser/stub_local_shared_objects_counter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2f0b93c39e9f018c95f0404933a68b8ff1a0761f
--- /dev/null
+++ b/components/content_settings/core/browser/stub_local_shared_objects_counter.cc
@@ -0,0 +1,24 @@
+// 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/stub_local_shared_objects_counter.h"
+
+namespace content_settings {
+
+StubLocalSharedObjectsCounter::StubLocalSharedObjectsCounter() {
+}
+
+StubLocalSharedObjectsCounter::~StubLocalSharedObjectsCounter() {
+}
+
+size_t StubLocalSharedObjectsCounter::GetObjectCount() const {
+  return 0;
+}
+
+size_t StubLocalSharedObjectsCounter::GetObjectCountForDomain(
+    const GURL& url) const {
+  return 0;
+}
+
+}  // namespace content_settings