Sync the browser test host resolver with the network process before a test runs.

content/public/utility/content_utility_client.h

Index: content/public/utility/content_utility_client.h
diff --git a/content/public/utility/content_utility_client.h b/content/public/utility/content_utility_client.h
index 6d2d41aa42fd2666d3939435010bb09d2b9992f7..0d552bf9e712ef35306c90136034fb6424f76086 100644
--- a/content/public/utility/content_utility_client.h
+++ b/content/public/utility/content_utility_client.h
@@ -13,6 +13,7 @@
 #include "content/public/common/service_info.h"
 
 namespace service_manager {
+class BinderRegistry;
 class InterfaceRegistry;
 }
 
@@ -37,6 +38,9 @@ class CONTENT_EXPORT ContentUtilityClient {
       service_manager::InterfaceRegistry* registry) {}
 
   virtual void RegisterServices(StaticServiceMap* services) {}
+
+  virtual void RegisterNetworkBinders(
+      service_manager::BinderRegistry* registry) {}
 };
 
 }  // namespace content