Unit-testing AnswerCardSearchProvider.

content/test/mock_navigation_handle.cc

Index: content/test/mock_navigation_handle.cc
diff --git a/content/test/mock_navigation_handle.cc b/content/test/mock_navigation_handle.cc
new file mode 100644
index 0000000000000000000000000000000000000000..16ea3d0a423545d8e46dd8b4ad43a8d47a2cc483
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+++ b/content/test/mock_navigation_handle.cc
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+// 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 "content/test/mock_navigation_handle.h"
+
+namespace content {
+
+MockNavigationHandle::MockNavigationHandle() {}
+
+MockNavigationHandle::~MockNavigationHandle() {}
+
+}  // namespace content