Moved common parts of ChildProcessHost into chrome/common and created a Brows...

chrome/browser/nacl_host/nacl_broker_service_win.cc

Index: chrome/browser/nacl_host/nacl_broker_service_win.cc
===================================================================
--- chrome/browser/nacl_host/nacl_broker_service_win.cc	(revision 51385)
+++ chrome/browser/nacl_host/nacl_broker_service_win.cc	(working copy)
@@ -72,7 +72,8 @@
 }
 
 NaClBrokerHost* NaClBrokerService::GetBrokerHost() {
-  for (ChildProcessHost::Iterator iter(ChildProcessInfo::NACL_BROKER_PROCESS);
+  for (BrowserChildProcessHost::Iterator iter(
+           ChildProcessInfo::NACL_BROKER_PROCESS);
        !iter.Done();
        ++iter) {
     NaClBrokerHost* broker_host = static_cast<NaClBrokerHost*>(*iter);