Update from https://crrev.com/304121

net/url_request/url_request_job_manager.cc

Index: net/url_request/url_request_job_manager.cc
diff --git a/net/url_request/url_request_job_manager.cc b/net/url_request/url_request_job_manager.cc
index 0fe557b14418b54ee437845aa9b481973f9e3adb..6fcff221616ffad4efffad9a457197c6d4d070c3 100644
--- a/net/url_request/url_request_job_manager.cc
+++ b/net/url_request/url_request_job_manager.cc
@@ -128,6 +128,13 @@ URLRequestJob* URLRequestJobManager::MaybeInterceptRedirect(
     if (job)
       return job;
   }
+
+  URLRequestJob* job =
+      request->context()->job_factory()->MaybeInterceptRedirect(
+          request, network_delegate, location);
+  if (job)
+    return job;
+
   return NULL;
 }
 
@@ -154,6 +161,13 @@ URLRequestJob* URLRequestJobManager::MaybeInterceptResponse(
     if (job)
       return job;
   }
+
+  URLRequestJob* job =
+      request->context()->job_factory()->MaybeInterceptResponse(
+          request, network_delegate);
+  if (job)
+    return job;
+
   return NULL;
 }