Move handling of invalid referrer to the 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 2d3f3aac9549c980f5e9dc0dde700a7c73fd0948..82d8579f54775a09015c345dd223022e9b1f8bb9 100644
--- a/net/url_request/url_request_test_util.cc
+++ b/net/url_request/url_request_test_util.cc
@@ -320,7 +320,8 @@ TestNetworkDelegate::TestNetworkDelegate()
       has_load_timing_info_before_redirect_(false),
       has_load_timing_info_before_auth_(false),
       can_access_files_(true),
-      can_throttle_requests_(true) {
+      can_throttle_requests_(true),
+      cancel_request_with_policy_violating_referrer_(false) {
 }
 
 TestNetworkDelegate::~TestNetworkDelegate() {
@@ -604,6 +605,13 @@ int TestNetworkDelegate::OnBeforeSocketStreamConnect(
   return OK;
 }
 
+bool TestNetworkDelegate::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+    const URLRequest& request,
+    const GURL& target_url,
+    const GURL& referrer_url) const {
+  return cancel_request_with_policy_violating_referrer_;
+}
+
 // static
 std::string ScopedCustomUrlRequestTestHttpHost::value_("127.0.0.1");