Add ArcEnabled policy implementation

components/arc/test/fake_arc_bridge_bootstrap.h

Index: components/arc/test/fake_arc_bridge_bootstrap.h
diff --git a/components/arc/test/fake_arc_bridge_bootstrap.h b/components/arc/test/fake_arc_bridge_bootstrap.h
new file mode 100644
index 0000000000000000000000000000000000000000..feb7d6cd0ed90b68545d59b47937a5a2d45366f0
--- /dev/null
+++ b/components/arc/test/fake_arc_bridge_bootstrap.h
@@ -0,0 +1,34 @@
+// 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 COMPONENTS_ARC_TEST_FAKE_ARC_BRIDGE_BOOTSTRAP_H_
+#define COMPONENTS_ARC_TEST_FAKE_ARC_BRIDGE_BOOTSTRAP_H_
+
+#include "base/macros.h"
+#include "components/arc/arc_bridge_bootstrap.h"
+
+namespace arc {
+
+class FakeArcBridgeInstance;
+
+// A fake ArcBridgeBootstrap that creates a local connection.
+class FakeArcBridgeBootstrap : public ArcBridgeBootstrap {
+ public:
+  explicit FakeArcBridgeBootstrap(FakeArcBridgeInstance* instance);
+  ~FakeArcBridgeBootstrap() override {}
+
+  // ArcBridgeBootstrap:
+  void Start() override;
+  void Stop() override;
+
+ private:
+  // Owned by the caller.
+  FakeArcBridgeInstance* instance_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeArcBridgeBootstrap);
+};
+
+} // namespace arc
+
+#endif  // COMPONENTS_ARC_TEST_FAKE_ARC_BRIDGE_BOOTSTRAP_H_