ScopedProcessInformation protects against process/thread handle leaks from CreateProcess calls.

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 <objidl.h>
 #include <winspool.h>
 #include <xpsprint.h>
 
@@ skipping 27 matching lines @@
   typedef HANDLE Handle;
 
   static bool CloseHandle(HANDLE handle) {
     return ::FindClosePrinterChangeNotification(handle) != FALSE;
   }
 
   static bool IsHandleValid(HANDLE handle) {
     return handle != NULL;
   }
 
+  static bool IsSame(HANDLE lhs, HANDLE rhs) {
+    return lhs == rhs;
+  }
+
   static HANDLE NullHandle() {
     return NULL;
   }
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PrinterChangeHandleTraits);
 };
 
 typedef base::win::GenericScopedHandle<PrinterChangeHandleTraits>
     ScopedPrinterChangeHandle;
@@ skipping 837 matching lines @@
   RpcStringFree(reinterpret_cast<RPC_WSTR *>(&proxy_id_as_string));
   return ret;
 }
 
 scoped_refptr<PrintSystem> PrintSystem::CreateInstance(
     const base::DictionaryValue* print_system_settings) {
   return new PrintSystemWin;
 }
 
 }  // namespace cloud_print