[Blimp] Refactor Blimp test engine with embedded test server and URL rewriting

blimp/engine/testing/app/content_testing_main.h

Index: blimp/engine/testing/app/content_testing_main.h
diff --git a/blimp/engine/testing/app/content_testing_main.h b/blimp/engine/testing/app/content_testing_main.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c8a555cc41d9363845fe9f82cbefa0b33a26bae
--- /dev/null
+++ b/blimp/engine/testing/app/content_testing_main.h
@@ -0,0 +1,24 @@
+// Copyright (c) 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 BLIMP_ENGINE_TESTING_APP_CONTENT_TESTING_MAIN_H_
+#define BLIMP_ENGINE_TESTING_APP_CONTENT_TESTING_MAIN_H_
+
+#include "content/public/app/content_main.h"
+
+namespace blimp {
+namespace engine {
+
+namespace test {
+
+#if not defined(OS_ANDROID)
+CONTENT_EXPORT int ContentTestingMain(const content::ContentMainParams& params);
+#endif
+
+}  // namespace test
+
+}  // namespace engine
+}  // namespace blimp
+
+#endif  // BLIMP_ENGINE_TESTING_APP_CONTENT_TESTING_MAIN_H_