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

net/proxy/proxy_resolver_perftest.cc

Index: net/proxy/proxy_resolver_perftest.cc
diff --git a/net/proxy/proxy_resolver_perftest.cc b/net/proxy/proxy_resolver_perftest.cc
index 1c57e92cd6a01e572e64a778421816e33b838fd2..a910d45d4b792d93dde7491fddad2cf9a04eb4ee 100644
--- a/net/proxy/proxy_resolver_perftest.cc
+++ b/net/proxy/proxy_resolver_perftest.cc
@@ -239,18 +239,11 @@ class ProxyResolverV8Wrapper : public ProxyResolver {
   int GetProxyForURL(const GURL& url,
                      ProxyInfo* results,
                      const CompletionCallback& /*callback*/,
-                     RequestHandle* /*request*/,
+                     std::unique_ptr<Request>* /*request*/,
                      const NetLogWithSource& net_log) override {
     return resolver_->GetProxyForURL(url, results, bindings_.get());
   }
 
-  void CancelRequest(RequestHandle request) override { NOTREACHED(); }
-
-  LoadState GetLoadState(RequestHandle request) const override {
-    NOTREACHED();
-    return LOAD_STATE_IDLE;
-  }
-
  private:
   std::unique_ptr<ProxyResolverV8> resolver_;
   std::unique_ptr<MockJSBindings> bindings_;