arc-app-launcher: Minimal support for ARC app launcher.

chromeos/dbus/fake_arc_bridge_client.cc

Index: chromeos/dbus/fake_arc_bridge_client.cc
diff --git a/chromeos/dbus/fake_arc_bridge_client.cc b/chromeos/dbus/fake_arc_bridge_client.cc
index d14df0ea08492e8aeccd7c9ee75a132a28778295..518d2caa87f7606a72205cb1bf828deed2fa3a4a 100644
--- a/chromeos/dbus/fake_arc_bridge_client.cc
+++ b/chromeos/dbus/fake_arc_bridge_client.cc
@@ -33,4 +33,13 @@ void FakeArcBridgeClient::Ping(const VoidDBusMethodCallback& callback) {
       FROM_HERE, base::Bind(&OnVoidDBusMethod, callback));
 }
 
+void FakeArcBridgeClient::Refresh() {}
+
+void FakeArcBridgeClient::LaunchApp(const std::string& package,
+                                    const std::string& activity) {}
+
+void FakeArcBridgeClient::AddAppObserver(AppObserver* observer) {}
+
+void FakeArcBridgeClient::RemoveAppObserver(AppObserver* observer) {}
+
 }  // namespace chromeos