Introduce DownloadJob for DownloadItem refactoring.

content/browser/download/mock_download_job.h

+// 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.
+
+#ifndef CONTENT_BROWSER_DOWNLOAD_MOCK_DOWNLOAD_JOB_H_
+#define CONTENT_BROWSER_DOWNLOAD_MOCK_DOWNLOAD_JOB_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "content/browser/download/download_job.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+class MockDownloadJob : public DownloadJob {
+ public:
+  MockDownloadJob();
+  ~MockDownloadJob() override;
+
+  // DownloadJob implementation.
+  MOCK_METHOD1(Cancel, void(bool));
+  MOCK_METHOD0(Pause, void());
+  MOCK_METHOD0(Resume, void());
+  MOCK_CONST_METHOD0(CanOpen, bool());
+  MOCK_CONST_METHOD0(CanResume, bool());
+  MOCK_CONST_METHOD0(CanShowInFolder, bool());
+  MOCK_CONST_METHOD0(IsActive, bool());
+  MOCK_CONST_METHOD0(IsPause, bool());
+  MOCK_CONST_METHOD0(PercentComplete, int());
+  MOCK_CONST_METHOD0(CurrentSpeed, int64_t());
+  MOCK_CONST_METHOD1(TimeRemaining, bool(base::TimeDelta* remaining));
+  MOCK_CONST_METHOD0(GetWebContents, WebContents*());
+  MOCK_CONST_METHOD1(DebugString, std::string(bool));
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DOWNLOAD_MOCK_DOWNLOAD_JOB_H_