This patch caused Chrome to be unable to load any web pages on Chrome OS.

chrome/browser/service/service_process_control.cc

Index: chrome/browser/service/service_process_control.cc
diff --git a/chrome/browser/service/service_process_control.cc b/chrome/browser/service/service_process_control.cc
index e475931da4d176976a6d93cb25b4be1c095628e1..9557af2f2ca2416a1e6a10efe90f77ce93a8a6eb 100644
--- a/chrome/browser/service/service_process_control.cc
+++ b/chrome/browser/service/service_process_control.cc
@@ -47,8 +47,7 @@ void ServiceProcessControl::ConnectInternal() {
   const IPC::ChannelHandle channel_id = GetServiceProcessChannel();
   channel_.reset(new IPC::ChannelProxy(
       channel_id, IPC::Channel::MODE_NAMED_CLIENT, this,
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
-      false /* needs_override_peer_pid */));
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
 }
 
 void ServiceProcessControl::RunConnectDoneTasks() {