Move handling of invalid referrer to the network delegate

net/url_request/url_request_test_util.h

Index: net/url_request/url_request_test_util.h
diff --git a/net/url_request/url_request_test_util.h b/net/url_request/url_request_test_util.h
index 0c342f427e6647b46bf7aefd220ec5d34126dd2b..cad472e4b62edfb8f04297407a4d74cb1fe7fcbb 100644
--- a/net/url_request/url_request_test_util.h
+++ b/net/url_request/url_request_test_util.h
@@ -269,6 +269,10 @@ class TestNetworkDelegate : public NetworkDelegate {
   void set_can_throttle_requests(bool val) { can_throttle_requests_ = val; }
   bool can_throttle_requests() const { return can_throttle_requests_; }
 
+  void set_cancel_request_with_policy_violating_referrer(bool val) {
+    cancel_request_with_policy_violating_referrer_ = val;
+  }
+
   int observed_before_proxy_headers_sent_callbacks() const {
     return observed_before_proxy_headers_sent_callbacks_;
   }
@@ -324,6 +328,10 @@ class TestNetworkDelegate : public NetworkDelegate {
   virtual int OnBeforeSocketStreamConnect(
       SocketStream* stream,
       const CompletionCallback& callback) OVERRIDE;
+  virtual bool OnCancelURLRequestWithPolicyViolatingReferrerHeader(
+      const URLRequest& request,
+      const GURL& target_url,
+      const GURL& referrer_url) const OVERRIDE;
 
   void InitRequestStatesIfNew(int request_id);
 
@@ -363,6 +371,7 @@ class TestNetworkDelegate : public NetworkDelegate {
 
   bool can_access_files_;  // true by default
   bool can_throttle_requests_;  // true by default
+  bool cancel_request_with_policy_violating_referrer_;  // false by default
 };
 
 // Overrides the host used by the LocalHttpTestServer in