Add a Model to the download component.

components/download/internal/test/entry_utils.h

Index: components/download/internal/test/entry_utils.h
diff --git a/components/download/internal/test/entry_utils.h b/components/download/internal/test/entry_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..2a7b422fe07e27705d3c14ca06bb64d38112fd6b
--- /dev/null
+++ b/components/download/internal/test/entry_utils.h
@@ -0,0 +1,27 @@
+// 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 COMPONENTS_DOWNLOAD_INTERNAL_TEST_ENTRY_UTILS_H_
+#define COMPONENTS_DOWNLOAD_INTERNAL_TEST_ENTRY_UTILS_H_
+
+#include <string>
+#include <vector>
+
+#include "components/download/internal/entry.h"
+
+namespace download {
+namespace test {
+
+bool SuperficialEntryCompare(const Entry* const& expected,
+                             const Entry* const& actual);
+
+bool SuperficialEntryListCompare(const std::vector<Entry*>& a,
+                                 const std::vector<Entry*>& b);
+
+Entry BuildEntry(DownloadClient client, const std::string& guid);
+
+}  // namespace test
+}  // namespace download
+
+#endif  // COMPONENTS_DOWNLOAD_INTERNAL_TEST_ENTRY_UTILS_H_