Support needed to measure user and service traffic in Chrome.

chrome/browser/net/chrome_extensions_network_delegate.cc

Index: chrome/browser/net/chrome_extensions_network_delegate.cc
diff --git a/chrome/browser/net/chrome_extensions_network_delegate.cc b/chrome/browser/net/chrome_extensions_network_delegate.cc
index 331d94112281da49a5404c8cec9ffc3c095f4209..2c3cb84c5b3bf9bbab88d8246c85896911dcd050 100644
--- a/chrome/browser/net/chrome_extensions_network_delegate.cc
+++ b/chrome/browser/net/chrome_extensions_network_delegate.cc
@@ -71,6 +71,11 @@ void ForwardRequestStatus(
 
   int process_id, render_frame_id;
   if (info->GetAssociatedRenderFrame(&process_id, &render_frame_id)) {
+    // By checking negative process_id, it is tested that a real request is
+    // processing or it is in test mode. In test mode it is not needed to post
+    // this task and it causes errors.
+    if (process_id < 0)
+      return;
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&NotifyEPMRequestStatus, status, profile_id,