Add more tests to arc_navigation_throttle.cc

components/arc/intent_helper/arc_intent_helper_bridge.h

Index: components/arc/intent_helper/arc_intent_helper_bridge.h
diff --git a/components/arc/intent_helper/arc_intent_helper_bridge.h b/components/arc/intent_helper/arc_intent_helper_bridge.h
index 92d9a70f5f24d53bde57198ab30194f0fc3a850a..c52eb9a809c27627f34814a78ed72ebf171b0e17 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge.h
+++ b/components/arc/intent_helper/arc_intent_helper_bridge.h
@@ -88,6 +88,8 @@ class ArcIntentHelperBridge
       const std::string& method_name_for_logging,
       uint32_t min_instance_version);
 
+  static const char kArcIntentHelperPackageName[];
+
  private:
   mojo::Binding<mojom::IntentHelperHost> binding_;
   scoped_refptr<ActivityIconLoader> icon_loader_;