Use an explicit boolean has_new_first_party_for_cookies instead...

chrome/common/resource_dispatcher_unittest.cc

Index: chrome/common/resource_dispatcher_unittest.cc
===================================================================
--- chrome/common/resource_dispatcher_unittest.cc	(revision 32257)
+++ chrome/common/resource_dispatcher_unittest.cc	(working copy)
@@ -35,8 +35,9 @@
   virtual bool OnReceivedRedirect(
       const GURL& new_url,
       const ResourceLoaderBridge::ResponseInfo& info,
+      bool* has_new_first_party_for_cookies,
       GURL* new_first_party_for_cookies) {
-    *new_first_party_for_cookies = GURL();
+    *has_new_first_party_for_cookies = false;
     return true;
   }
 
@@ -246,8 +247,9 @@
   virtual bool OnReceivedRedirect(
       const GURL& new_url,
       const ResourceLoaderBridge::ResponseInfo& info,
+      bool* has_new_first_party_for_cookies,
       GURL* new_first_party_for_cookies) {
-    *new_first_party_for_cookies = GURL();
+    *has_new_first_party_for_cookies = false;
     return true;
   }