Introduce ContentSettingsClient interface

components/content_settings/core/browser/stub_content_settings_client.cc

Index: components/content_settings/core/browser/stub_content_settings_client.cc
diff --git a/components/content_settings/core/browser/stub_content_settings_client.cc b/components/content_settings/core/browser/stub_content_settings_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2fcec28cd5ba2d1491521812f63d3cb9c8ef6f97
--- /dev/null
+++ b/components/content_settings/core/browser/stub_content_settings_client.cc
@@ -0,0 +1,57 @@
+// 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_content_settings_client.h"
+
+namespace content_settings {
+
+StubContentSettingsClient::StubContentSettingsClient() {
+}
+
+StubContentSettingsClient::~StubContentSettingsClient() {
+}
+
+void StubContentSettingsClient::OnCookiesRead(
+    const GURL& url,
+    const GURL& first_party_url,
+    const net::CookieList& cookie_list,
+    bool blocked_by_policy) {
+}
+
+void StubContentSettingsClient::OnCookieChanged(
+    const GURL& url,
+    const GURL& first_party_url,
+    const std::string& cookie_line,
+    const net::CookieOptions& options,
+    bool blocked_by_policy) {
+}
+
+void StubContentSettingsClient::OnFileSystemAccessed(const GURL& url,
+                                                     bool blocked_by_policy) {
+}
+
+void StubContentSettingsClient::OnIndexedDBAccessed(
+    const GURL& url,
+    const base::string16& description,
+    bool blocked_by_policy) {
+}
+
+void StubContentSettingsClient::OnLocalStorageAccessed(const GURL& url,
+                                                       bool local,
+                                                       bool blocked_by_policy) {
+}
+
+void StubContentSettingsClient::OnWebDatabaseAccessed(
+    const GURL& url,
+    const base::string16& name,
+    const base::string16& display_name,
+    bool blocked_by_policy) {
+}
+
+const LocalSharedObjectsCounter&
+StubContentSettingsClient::local_shared_objects(AccessType type) const {
+  return counter_;
+}
+
+}  // namespace content_settings