Remove the HANDLED_EXTERNALLY status code.

content/common/resource_dispatcher.h

Index: content/common/resource_dispatcher.h
diff --git a/content/common/resource_dispatcher.h b/content/common/resource_dispatcher.h
index 79d955ba5451deecadedfc6da64c2715db957fde..1a43d1a9e497dc5e9282d9ff23c3478a64ed89f0 100644
--- a/content/common/resource_dispatcher.h
+++ b/content/common/resource_dispatcher.h
@@ -84,6 +84,7 @@ class CONTENT_EXPORT ResourceDispatcher : public IPC::Listener {
     ResourceType::Type resource_type;
     MessageQueue deferred_message_queue;
     bool is_deferred;
+    bool is_ignored;
     GURL url;
     linked_ptr<IPC::Message> pending_redirect_message;
     base::TimeTicks request_start;
@@ -124,7 +125,8 @@ class CONTENT_EXPORT ResourceDispatcher : public IPC::Listener {
       int data_len);
   void OnRequestComplete(
       int request_id,
-      const net::URLRequestStatus& status,
+      int error_code,
+      bool was_ignored,
       const std::string& security_info,
       const base::TimeTicks& completion_time);