[NTP::PhysicalWeb] Wire Physical Web provider to the data source.

components/ntp_snippets/physical_web_pages/fake_physical_web_data_source.h

+// 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.
+
+#ifndef COMPONENTS_NTP_SNIPPETS_PHYSICAL_WEB_PAGES_FAKE_PHYSICAL_WEB_PAGE_DATA_SOURCE_H_
+#define COMPONENTS_NTP_SNIPPETS_PHYSICAL_WEB_PAGES_FAKE_PHYSICAL_WEB_PAGE_DATA_SOURCE_H_
+
+#include <memory>
+
+#include "base/values.h"
+#include "components/physical_web/data_source/physical_web_data_source.h"
+#include "components/physical_web/data_source/physical_web_listener.h"
+
+namespace ntp_snippets {
+
+class FakePhysicalWebDataSource : public PhysicalWebDataSource {
+ public:
+  FakePhysicalWebDataSource();
+  ~FakePhysicalWebDataSource() override;
+
+  // PhysicalWebDataSource implementation.
+  void StartDiscovery(bool network_request_enabled) override;
+  void StopDiscovery() override;
+  std::unique_ptr<base::ListValue> GetMetadata() override;
+  bool HasUnresolvedDiscoveries() override;
+  void RegisterListener(PhysicalWebListener* physical_web_listener) override;
+  void UnregisterListener(PhysicalWebListener* physical_web_listener) override;
+
+  void SetMetadata(std::unique_ptr<base::ListValue> metadata);
+
+ private:
+  std::unique_ptr<base::ListValue> metadata_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakePhysicalWebDataSource);
+};
+
+}  // namespace ntp_snippets
+
+#endif  // COMPONENTS_NTP_SNIPPETS_PHYSICAL_WEB_PAGES_FAKE_PHYSICAL_WEB_PAGE_DATA_SOURCE_H_