Reland "Change ProxyResolver::GetProxyForURL() to take a unique_ptr<Request>* "

net/proxy/proxy_resolver_v8_tracing_wrapper.cc

Index: net/proxy/proxy_resolver_v8_tracing_wrapper.cc
diff --git a/net/proxy/proxy_resolver_v8_tracing_wrapper.cc b/net/proxy/proxy_resolver_v8_tracing_wrapper.cc
index c99916cee16ab236307d246329f88c571b741346..06bc9c694a628fc7c097ce63bfdc31944c92d6d6 100644
--- a/net/proxy/proxy_resolver_v8_tracing_wrapper.cc
+++ b/net/proxy/proxy_resolver_v8_tracing_wrapper.cc
@@ -96,13 +96,9 @@ class ProxyResolverV8TracingWrapper : public ProxyResolver {
   int GetProxyForURL(const GURL& url,
                      ProxyInfo* results,
                      const CompletionCallback& callback,
-                     RequestHandle* request,
+                     std::unique_ptr<Request>* request,
                      const NetLogWithSource& net_log) override;
 
-  void CancelRequest(RequestHandle request) override;
-
-  LoadState GetLoadState(RequestHandle request) const override;
-
  private:
   std::unique_ptr<ProxyResolverV8Tracing> resolver_impl_;
   NetLog* net_log_;
@@ -126,7 +122,7 @@ int ProxyResolverV8TracingWrapper::GetProxyForURL(
     const GURL& url,
     ProxyInfo* results,
     const CompletionCallback& callback,
-    RequestHandle* request,
+    std::unique_ptr<Request>* request,
     const NetLogWithSource& net_log) {
   resolver_impl_->GetProxyForURL(
       url, results, callback, request,
@@ -135,15 +131,6 @@ int ProxyResolverV8TracingWrapper::GetProxyForURL(
   return ERR_IO_PENDING;
 }
 
-void ProxyResolverV8TracingWrapper::CancelRequest(RequestHandle request) {
-  resolver_impl_->CancelRequest(request);
-}
-
-LoadState ProxyResolverV8TracingWrapper::GetLoadState(
-    RequestHandle request) const {
-  return resolver_impl_->GetLoadState(request);
-}
-
 }  // namespace
 
 ProxyResolverFactoryV8TracingWrapper::ProxyResolverFactoryV8TracingWrapper(