Replace //net TypeConverters with StructTraits.

net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h

Index: net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h
diff --git a/net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h b/net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h
index d09644786a47f22730b2bd98983b987350037708..f05acb457b2272cfb83f09a0cc19cad89bffeb6e 100644
--- a/net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h
+++ b/net/proxy/mojo_proxy_resolver_v8_tracing_bindings.h
@@ -55,7 +55,7 @@ class MojoProxyResolverV8TracingBindings
 
  private:
   // HostResolverMojo::Impl override.
-  void ResolveDns(interfaces::HostResolverRequestInfoPtr request_info,
+  void ResolveDns(std::unique_ptr<HostResolver::RequestInfo> request_info,
                   interfaces::HostResolverRequestClientPtr client) {
     DCHECK(thread_checker_.CalledOnValidThread());
     client_->ResolveDns(std::move(request_info), std::move(client));