arc_bridge: Add more logging, plus cleanup

components/arc/arc_bridge_service_impl.h

Index: components/arc/arc_bridge_service_impl.h
diff --git a/components/arc/arc_bridge_service_impl.h b/components/arc/arc_bridge_service_impl.h
index 6012201ca98eb3799b9974a13265b1a219ff99a3..60e6162785df7dda68a039cb0f5949141127ef47 100644
--- a/components/arc/arc_bridge_service_impl.h
+++ b/components/arc/arc_bridge_service_impl.h
@@ -36,6 +36,11 @@ class ArcBridgeServiceImpl : public ArcBridgeService,
 
   void Shutdown() override;
 
+  // Normally, reconnecting after connection shutdown happens after a short
+  // delay. When testing, however, we'd like it to happen immediately to avoid
+  // adding unnecessary delays.
+  void DisableReconnectDelayForTesting();
+
  private:
   friend class ArcBridgeTest;
   FRIEND_TEST_ALL_PREFIXES(ArcBridgeTest, Restart);
@@ -69,6 +74,9 @@ class ArcBridgeServiceImpl : public ArcBridgeService,
   // lost. This should make the instance restart.
   bool reconnect_ = false;
 
+  // Delay the reconnection.
+  bool use_delay_before_reconnecting_ = true;
+
   // WeakPtrFactory to use callbacks.
   base::WeakPtrFactory<ArcBridgeServiceImpl> weak_factory_;