[Offline pages] Create offliner that uses background loader

components/offline_pages/content/background_loader/background_loader_contents_stub.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_OFFLINE_PAGES_CONTENT_BACKGROUND_LOADER_BACKGROUND_LOADER_CONTENTS_STUB_H_
+#define COMPONENTS_OFFLINE_PAGES_CONTENT_BACKGROUND_LOADER_BACKGROUND_LOADER_CONTENTS_STUB_H_
+
+#include "components/offline_pages/content/background_loader/background_loader_contents.h"
+
+namespace content {
+class BrowserContext;
+}
+
+namespace background_loader {
+
+// Stub BackgroundLoaderContents for testing use.
+class BackgroundLoaderContentsStub : public BackgroundLoaderContents {
+ public:
+  BackgroundLoaderContentsStub(content::BrowserContext* browser_context);
+  ~BackgroundLoaderContentsStub() override;
+
+  void LoadPage(const GURL& url) override;
+  bool is_loading() const { return is_loading_; }
+
+ private:
+  bool is_loading_;
+  DISALLOW_COPY_AND_ASSIGN(BackgroundLoaderContentsStub);
+};
+
+}  // namespace background_loader
+#endif  // COMPONENTS_OFFLINE_PAGES_CONTENT_BACKGROUND_LOADER_BACKGROUND_LOADER_CONTENTS_STUB_H_