Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

chrome/service/cloud_print/print_system_win.cc

Index: chrome/service/cloud_print/print_system_win.cc
diff --git a/chrome/service/cloud_print/print_system_win.cc b/chrome/service/cloud_print/print_system_win.cc
index e4a62626659af2118da8258b18aa6cacc7ab41e6..cc29e124089b7236d11cba8583e62adad068a7b3 100644
--- a/chrome/service/cloud_print/print_system_win.cc
+++ b/chrome/service/cloud_print/print_system_win.cc
@@ -68,7 +68,7 @@ class PrintSystemWatcherWin : public base::win::ObjectWatcher::Delegate {
       printer_change_.Set(FindFirstPrinterChangeNotification(
           printer_.Get(), PRINTER_CHANGE_PRINTER|PRINTER_CHANGE_JOB, 0, NULL));
       if (printer_change_.IsValid()) {
-        ret = watcher_.StartWatching(printer_change_.Get(), this);
+        ret = watcher_.StartWatching(printer_change_.Get(), this, false);
       }
     }
     if (!ret) {
@@ -106,7 +106,7 @@ class PrintSystemWatcherWin : public base::win::ObjectWatcher::Delegate {
         delegate_->OnJobChanged();
       }
     }
-    watcher_.StartWatching(printer_change_.Get(), this);
+    watcher_.StartWatching(printer_change_.Get(), this, false);
   }
 
   bool GetCurrentPrinterInfo(printing::PrinterBasicInfo* printer_info) {