Initial checkin of OfflineContentProvider.

components/offline_items_collection/core/test_support/mock_offline_content_provider.cc

Index: components/offline_items_collection/core/test_support/mock_offline_content_provider.cc
diff --git a/components/offline_items_collection/core/test_support/mock_offline_content_provider.cc b/components/offline_items_collection/core/test_support/mock_offline_content_provider.cc
new file mode 100644
index 0000000000000000000000000000000000000000..748c21807eafdc10d10e246e232a69d558baad4c
--- /dev/null
+++ b/components/offline_items_collection/core/test_support/mock_offline_content_provider.cc
@@ -0,0 +1,54 @@
+// Copyright 2017 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/offline_items_collection/core/test_support/mock_offline_content_provider.h"
+
+namespace offline_items_collection {
+
+MockOfflineContentProvider::MockObserver::MockObserver() = default;
+MockOfflineContentProvider::MockObserver::~MockObserver() = default;
+
+MockOfflineContentProvider::MockOfflineContentProvider()
+    : items_available_(false) {}
+MockOfflineContentProvider::~MockOfflineContentProvider() = default;
+
+bool MockOfflineContentProvider::HasObserver(Observer* observer) {
+  return observers_.HasObserver(observer);
+}
+
+void MockOfflineContentProvider::NotifyOnItemsAvailable() {
+  items_available_ = true;
+  for (auto& observer : observers_)
+    observer.OnItemsAvailable(this);
+}
+
+void MockOfflineContentProvider::NotifyOnItemsAdded(
+    const OfflineItemList& items) {
+  for (auto& observer : observers_)
+    observer.OnItemsAdded(items);
+}
+
+void MockOfflineContentProvider::NotifyOnItemRemoved(const ContentId& id) {
+  for (auto& observer : observers_)
+    observer.OnItemRemoved(id);
+}
+
+void MockOfflineContentProvider::NotifyOnItemUpdated(const OfflineItem& item) {
+  for (auto& observer : observers_)
+    observer.OnItemUpdated(item);
+}
+
+bool MockOfflineContentProvider::AreItemsAvailable() {
+  return items_available_;
+}
+
+void MockOfflineContentProvider::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void MockOfflineContentProvider::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+}  // namespace offline_items_collection