Enable NQE when Cronet Engine is built

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index ccdf5967b6738e9131880223485fb2256f3f08c8..61f743ba3b8773a57d197d765940b34165efd1a2 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -51,6 +51,7 @@ class HostMappingRules;
 class HttpAuthHandlerFactory;
 class HttpServerProperties;
 class ProxyConfigService;
+class SocketPerformanceWatcherFactory;
 class URLRequestContext;
 class URLRequestInterceptor;
 
@@ -292,6 +293,11 @@ class NET_EXPORT URLRequestContextBuilder {
     backoff_enabled_ = backoff_enabled;
   }
 
+  void set_socket_performance_watcher_factory(
+      SocketPerformanceWatcherFactory* socket_performance_watcher_factory) {
+    socket_performance_watcher_factory_ = socket_performance_watcher_factory;
+  }
+
   void SetCertVerifier(std::unique_ptr<CertVerifier> cert_verifier);
 
   void SetInterceptors(std::vector<std::unique_ptr<URLRequestInterceptor>>
@@ -369,6 +375,9 @@ class NET_EXPORT URLRequestContextBuilder {
   std::unique_ptr<HttpServerProperties> http_server_properties_;
   std::map<std::string, std::unique_ptr<URLRequestJobFactory::ProtocolHandler>>
       protocol_handlers_;
+  // SocketPerformanceWatcherFactory to be used by this context builder.
+  // Not owned by the context builder.
+  SocketPerformanceWatcherFactory* socket_performance_watcher_factory_;

[bengr, 2016/06/07 20:53:16]

Should this be a WeakPtr? What ensures that this pointer is valid by the time
the builder builds?

[tbansal1, 2016/06/07 21:37:17]

It should not change during the lifetime of Builder or the URLRequestConfig
since it is owned by caller. Why do you think it will get destroyed?

[bengr, 2016/06/07 22:55:12]

I guess this is ok.

 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextBuilder);
 };