Make UrlRequestContextBuilder take scoped_ptr's

device/test/usb_test_gadget_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/test/usb_test_gadget.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 125 matching lines @@
  public:
   URLRequestContextGetter(
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner)
       : network_task_runner_(network_task_runner) {}
 
  private:
   ~URLRequestContextGetter() override {}
 
   // net::URLRequestContextGetter implementation
   net::URLRequestContext* GetURLRequestContext() override {
-    context_builder_.set_proxy_service(net::ProxyService::CreateDirect());
-    return context_builder_.Build();
+    if (!context_) {
+      net::URLRequestContextBuilder context_builder;
+      context_builder.set_proxy_service(
+          make_scoped_ptr(net::ProxyService::CreateDirect()));
+      context_ = context_builder.Build().Pass();
+    }
+    return context_.get();
   }
 
   scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
       const override {
     return network_task_runner_;
   }
 
-  net::URLRequestContextBuilder context_builder_;
+  scoped_ptr<net::URLRequestContext> context_;
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
 };
 
 class URLFetcherDelegate : public net::URLFetcherDelegate {
  public:
   URLFetcherDelegate() {}
   ~URLFetcherDelegate() override {}
 
   void WaitForCompletion() { run_loop_.Run(); }
 
@@ skipping 437 matching lines @@
     return false;
   }
 
   DeviceAddListener add_listener(usb_service_, device_address_, -1);
   device_ = add_listener.WaitForAdd();
   DCHECK(device_.get());
   return true;
 }
 
 }  // namespace device