Add HANDLE_FLAG_PROTECT_FROM_CLOSE flag to Tracked/ScopedHandle.

net/test/spawned_test_server/local_test_server_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 "net/test/spawned_test_server/local_test_server.h"
 
 #include <windows.h>
 
 #include "base/base_paths.h"
 #include "base/bind.h"
@@ skipping 83 matching lines @@
   HANDLE child_read = NULL;
   HANDLE child_write = NULL;
   if (!CreatePipe(&child_read, &child_write, NULL, 0)) {
     PLOG(ERROR) << "Failed to create pipe";
     return false;
   }
   child_read_fd_.Set(child_read);
   child_write_fd_.Set(child_write);
 
   // Have the child inherit the write half.
-  if (!SetHandleInformation(child_write, HANDLE_FLAG_INHERIT,
-                            HANDLE_FLAG_INHERIT)) {
+  if (!::DuplicateHandle(::GetCurrentProcess(), child_write,
+                         ::GetCurrentProcess(), &child_write, 0, TRUE,
+                         DUPLICATE_SAME_ACCESS)) {
     PLOG(ERROR) << "Failed to enable pipe inheritance";
     return false;
   }
 
   // Pass the handle on the command-line. Although HANDLE is a
   // pointer, truncating it on 64-bit machines is okay. See
   // http://msdn.microsoft.com/en-us/library/aa384203.aspx
   //
   // "64-bit versions of Windows use 32-bit handles for
   // interoperability. When sharing a handle between 32-bit and 64-bit
   // applications, only the lower 32 bits are significant, so it is
   // safe to truncate the handle (when passing it from 64-bit to
   // 32-bit) or sign-extend the handle (when passing it from 32-bit to
   // 64-bit)."
   python_command.AppendArg("--startup-pipe=" +
       base::IntToString(reinterpret_cast<uintptr_t>(child_write)));
 
   base::LaunchOptions launch_options;
   launch_options.inherit_handles = true;
   process_ = base::LaunchProcess(python_command, launch_options);
   if (!process_.IsValid()) {
     LOG(ERROR) << "Failed to launch " << python_command.GetCommandLineString();
+    ::CloseHandle(child_write);
     return false;
   }
 
+  ::CloseHandle(child_write);
   return true;
 }
 
 bool LocalTestServer::WaitToStart() {
   base::win::ScopedHandle read_fd(child_read_fd_.Take());
   base::win::ScopedHandle write_fd(child_write_fd_.Take());
 
   uint32 server_data_len = 0;
   if (!ReadData(read_fd.Get(), write_fd.Get(), sizeof(server_data_len),
                 reinterpret_cast<uint8*>(&server_data_len))) {
@@ skipping 11 matching lines @@
   if (!ParseServerData(server_data)) {
     LOG(ERROR) << "Could not parse server_data: " << server_data;
     return false;
   }
 
   return true;
 }
 
 }  // namespace net