Add a regenerate button to regenerate the password in Windows.

rlz/win/lib/lib_mutex.cc

Index: rlz/win/lib/lib_mutex.cc
diff --git a/rlz/win/lib/lib_mutex.cc b/rlz/win/lib/lib_mutex.cc
deleted file mode 100644
index 73dfaded0f79016d0784d8b228fd847e7e869b1f..0000000000000000000000000000000000000000
--- a/rlz/win/lib/lib_mutex.cc
+++ /dev/null
@@ -1,67 +0,0 @@
-// 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.
-//
-// Mutex to guarantee serialization of RLZ key accesses.
-
-#include "rlz/win/lib/lib_mutex.h"
-
-#include <windows.h>
-#include <Sddl.h>    // For SDDL_REVISION_1, ConvertStringSecurityDescript..
-#include <Aclapi.h>  // For SetSecurityInfo
-
-#include "base/logging.h"
-#include "base/win/windows_version.h"
-
-namespace {
-
-const wchar_t kMutexName[] = L"{A946A6A9-917E-4949-B9BC-6BADA8C7FD63}";
-
-}  // namespace anonymous
-
-namespace rlz_lib {
-
-// Needed to allow synchronization across integrity levels.
-static bool SetObjectToLowIntegrity(HANDLE object,
-    SE_OBJECT_TYPE type = SE_KERNEL_OBJECT) {
-  if (base::win::GetVersion() < base::win::VERSION_VISTA)
-    return true;  // Not needed on XP.
-
-  // The LABEL_SECURITY_INFORMATION SDDL SACL to be set for low integrity.
-  static const wchar_t kLowIntegritySddlSacl[] = L"S:(ML;;NW;;;LW)";
-
-  bool result = false;
-  DWORD error = ERROR_SUCCESS;
-  PSECURITY_DESCRIPTOR security_descriptor = NULL;
-  PACL sacl = NULL;
-  BOOL sacl_present = FALSE;
-  BOOL sacl_defaulted = FALSE;
-
-  if (ConvertStringSecurityDescriptorToSecurityDescriptorW(
-          kLowIntegritySddlSacl, SDDL_REVISION_1, &security_descriptor, NULL)) {
-    if (GetSecurityDescriptorSacl(security_descriptor, &sacl_present,
-            &sacl, &sacl_defaulted)) {
-      error = SetSecurityInfo(object, type, LABEL_SECURITY_INFORMATION,
-                              NULL, NULL, NULL, sacl);
-      result = (ERROR_SUCCESS == error);
-    }
-    LocalFree(security_descriptor);
-  }
-
-  return result;
-}
-
-LibMutex::LibMutex() : acquired_(false), mutex_(NULL) {
-  mutex_ = CreateMutex(NULL, false, kMutexName);
-  bool result = SetObjectToLowIntegrity(mutex_);
-  if (result) {
-    acquired_ = (WAIT_OBJECT_0 == WaitForSingleObject(mutex_, 5000L));
-  }
-}
-
-LibMutex::~LibMutex() {
-  if (acquired_) ReleaseMutex(mutex_);
-  CloseHandle(mutex_);
-}
-
-}  // namespace rlz_lib