Add ArcEnabled policy implementation

components/arc/arc_bridge_service_unittest.cc

Index: components/arc/arc_bridge_service_unittest.cc
diff --git a/components/arc/arc_bridge_service_unittest.cc b/components/arc/arc_bridge_service_unittest.cc
index 79b1fd0540b9e9c5086a374effd0a26cf02c759c..0f09d599c3b78e873be8ad4d5dccaff8be1c9eee 100644
--- a/components/arc/arc_bridge_service_unittest.cc
+++ b/components/arc/arc_bridge_service_unittest.cc
@@ -10,6 +10,7 @@
 #include "base/run_loop.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "components/arc/arc_bridge_service_impl.h"
+#include "components/arc/test/fake_arc_bridge_bootstrap.h"
 #include "components/arc/test/fake_arc_bridge_instance.h"
 #include "ipc/mojo/scoped_ipc_support.h"
 #include "mojo/public/cpp/environment/environment.h"
@@ -18,37 +19,6 @@
 
 namespace arc {
 
-namespace {
-
-// A fake ArcBridgeBootstrap that creates a local connection.
-class FakeArcBridgeBootstrap : public ArcBridgeBootstrap {
- public:
-  explicit FakeArcBridgeBootstrap(FakeArcBridgeInstance* instance)
-      : instance_(instance) {}
-  ~FakeArcBridgeBootstrap() override {}
-
-  void Start() override {
-    DCHECK(delegate_);
-    ArcBridgeInstancePtr instance;
-    instance_->Bind(mojo::GetProxy(&instance));
-    delegate_->OnConnectionEstablished(std::move(instance));
-  }
-
-  void Stop() override {
-    DCHECK(delegate_);
-    instance_->Unbind();
-    delegate_->OnStopped();
-  }
-
- private:
-  // Owned by the caller.
-  FakeArcBridgeInstance* instance_;
-
-  DISALLOW_COPY_AND_ASSIGN(FakeArcBridgeBootstrap);
-};
-
-}  // namespace
-
 class ArcBridgeTest : public testing::Test, public ArcBridgeService::Observer {
  public:
   ArcBridgeTest() : ready_(false) {}