Removed checks that verify URLRequest has a Context

net/url_request/url_request_throttler_entry.cc

Index: net/url_request/url_request_throttler_entry.cc
diff --git a/net/url_request/url_request_throttler_entry.cc b/net/url_request/url_request_throttler_entry.cc
index a3c18407c06a4dc371b1b4c4b50dc30eb7c20f33..0899ed41ea5c629ecba95d44a0dffad6dfcc66bc 100644
--- a/net/url_request/url_request_throttler_entry.cc
+++ b/net/url_request/url_request_throttler_entry.cc
@@ -153,7 +153,7 @@ bool URLRequestThrottlerEntry::ShouldRejectRequest(
     const URLRequest& request) const {
   bool reject_request = false;
   if (!is_backoff_disabled_ && !ExplicitUserRequest(request.load_flags()) &&
-      (!request.context() || !request.context()->network_delegate() ||
+      (!request.context()->network_delegate() ||
        request.context()->network_delegate()->CanThrottleRequest(request)) &&
       GetBackoffEntry()->ShouldRejectRequest()) {
     int num_failures = GetBackoffEntry()->failure_count();