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

chrome/service/cloud_print/print_system_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/service/cloud_print/print_system.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 50 matching lines @@
     std::wstring printer_name_wide;
     if (!printer_name.empty()) {
       printer_name_wide = base::UTF8ToWide(printer_name);
       printer_name_to_use = const_cast<LPTSTR>(printer_name_wide.c_str());
     }
     bool ret = false;
     if (printer_.OpenPrinter(printer_name_to_use)) {
       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) {
       Stop();
     }
     return ret;
   }
 
   bool Stop() {
     watcher_.StopWatching();
@@ skipping 17 matching lines @@
         delegate_->OnPrinterAdded();
       } else if (change & PRINTER_CHANGE_DELETE_PRINTER) {
         delegate_->OnPrinterDeleted();
       } else if (change & PRINTER_CHANGE_SET_PRINTER) {
         delegate_->OnPrinterChanged();
       }
       if (change & PRINTER_CHANGE_JOB) {
         delegate_->OnJobChanged();
       }
     }
-    watcher_.StartWatching(printer_change_.Get(), this);
+    watcher_.StartWatching(printer_change_.Get(), this, false);
   }
 
   bool GetCurrentPrinterInfo(printing::PrinterBasicInfo* printer_info) {
     DCHECK(printer_info);
     return InitBasicPrinterInfo(printer_.Get(), printer_info);
   }
 
  private:
   base::win::ObjectWatcher watcher_;
   printing::ScopedPrinterHandle printer_;  // The printer being watched
@@ skipping 688 matching lines @@
 }
 
 }  // namespace
 
 scoped_refptr<PrintSystem> PrintSystem::CreateInstance(
     const base::DictionaryValue* print_system_settings) {
   return new PrintSystemWin;
 }
 
 }  // namespace cloud_print