Allow URLRequests from one context to have different NetworkDelegates.

content/browser/loader/resource_dispatcher_host_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 1748 matching lines @@
   host_.CancelRequestsForProcess(filter_->child_id());
   host_.CancelRequestsForProcess(second_filter->child_id());
 
   // Flush all the pending requests.
   while (net::URLRequestTestJob::ProcessOnePendingMessage()) {}
 }
 
 // Test the private helper method "CalculateApproximateMemoryCost()".
 TEST_F(ResourceDispatcherHostTest, CalculateApproximateMemoryCost) {
   net::URLRequestContext context;
-  net::URLRequest req(
-      GURL("http://www.google.com"), net::DEFAULT_PRIORITY, NULL, &context);
-  EXPECT_EQ(4427,
-            ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(&req));
+  scoped_ptr<net::URLRequest> req(context.CreateRequest(
+      GURL("http://www.google.com"), net::DEFAULT_PRIORITY, NULL, NULL));
+  EXPECT_EQ(
+      4427,
+      ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(req.get()));
 
   // Add 9 bytes of referrer.
-  req.SetReferrer("123456789");
-  EXPECT_EQ(4436,
-            ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(&req));
+  req->SetReferrer("123456789");
+  EXPECT_EQ(
+      4436,
+      ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(req.get()));
 
   // Add 33 bytes of upload content.
   std::string upload_content;
   upload_content.resize(33);
   std::fill(upload_content.begin(), upload_content.end(), 'x');
   scoped_ptr<net::UploadElementReader> reader(new net::UploadBytesElementReader(
       upload_content.data(), upload_content.size()));
-  req.set_upload(make_scoped_ptr(
+  req->set_upload(make_scoped_ptr(
       net::UploadDataStream::CreateWithReader(reader.Pass(), 0)));
 
   // Since the upload throttling is disabled, this has no effect on the cost.
-  EXPECT_EQ(4436,
-            ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(&req));
+  EXPECT_EQ(
+      4436,
+      ResourceDispatcherHostImpl::CalculateApproximateMemoryCost(req.get()));
 }
 
 // Test that too much memory for outstanding requests for a particular
 // render_process_host_id causes requests to fail.
 TEST_F(ResourceDispatcherHostTest, TooMuchOutstandingRequestsMemory) {
   // Expected cost of each request as measured by
   // ResourceDispatcherHost::CalculateApproximateMemoryCost().
   int kMemoryCostOfTest2Req =
       ResourceDispatcherHostImpl::kAvgBytesPerOutstandingRequest +
       std::string("GET").size() +
@@ skipping 1120 matching lines @@
     } else {
       return new net::URLRequestTestJob(
           request, network_delegate,
           test_fixture_->response_headers_, test_fixture_->response_data_,
           false);
     }
   }
 }
 
 }  // namespace content