Remove some calls to URLRequestContext::network_delegate().

net/url_request/url_request_test_util.cc

Index: net/url_request/url_request_test_util.cc
diff --git a/net/url_request/url_request_test_util.cc b/net/url_request/url_request_test_util.cc
index 5f81e447629044e34efb2211ff0836aa6733164c..a97d39fd6c2b57dddafca62a289efd6050c3b8ee 100644
--- a/net/url_request/url_request_test_util.cc
+++ b/net/url_request/url_request_test_util.cc
@@ -134,7 +134,14 @@ void TestURLRequestContext::Init() {
 TestURLRequest::TestURLRequest(const GURL& url,
                                Delegate* delegate,
                                TestURLRequestContext* context)
-    : URLRequest(url, delegate, context) {
+    : URLRequest(url, delegate, context, context->network_delegate()) {
+}
+
+TestURLRequest::TestURLRequest(const GURL& url,
+                               Delegate* delegate,
+                               TestURLRequestContext* context,
+                               NetworkDelegate* network_delegate)
+    : URLRequest(url, delegate, context, network_delegate) {
 }
 
 TestURLRequest::~TestURLRequest() {