[Blimp] Adds blimp engine browser test framework and LoadUrl test.

blimp/client/session/test_client_session.h

Index: blimp/client/session/test_client_session.h
diff --git a/blimp/client/session/test_client_session.h b/blimp/client/session/test_client_session.h
new file mode 100644
index 0000000000000000000000000000000000000000..b81a321b3fc586dd2375616dd7ec771f6145439a
--- /dev/null
+++ b/blimp/client/session/test_client_session.h
@@ -0,0 +1,25 @@
+// 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 BLIMP_CLIENT_SESSION_TEST_CLIENT_SESSION_H_
+#define BLIMP_CLIENT_SESSION_TEST_CLIENT_SESSION_H_
+
+#include "blimp/client/session/blimp_client_session.h"
+
+namespace blimp {
+namespace client {
+
+class TestClientSession : public client::BlimpClientSession {
+ public:
+  TestClientSession();
+  ~TestClientSession() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestClientSession);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_SESSION_TEST_CLIENT_SESSION_H_