Fix field trials not working in utility processes.

remoting/host/win/elevation_helpers.cc

-// Copyright 2016 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 "remoting/host/win/elevation_helpers.h"
-
-#include <windows.h>
-
-#include "base/logging.h"
-#include "base/win/scoped_handle.h"
-
-namespace {
-
-void GetCurrentProcessToken(base::win::ScopedHandle* scoped_handle) {
-  DCHECK(scoped_handle);
-
-  HANDLE process_token;
-  OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &process_token);
-  scoped_handle->Set(process_token);
-  DCHECK(scoped_handle->IsValid());
-}
-
-}  // namespace
-
-namespace remoting {
-
-bool IsProcessElevated() {
-  base::win::ScopedHandle scoped_process_token;
-  GetCurrentProcessToken(&scoped_process_token);
-
-  // Unlike TOKEN_ELEVATION_TYPE which returns TokenElevationTypeDefault when
-  // UAC is turned off, TOKEN_ELEVATION returns whether the process is elevated.
-  DWORD size;
-  TOKEN_ELEVATION elevation;
-  if (!GetTokenInformation(scoped_process_token.Get(), TokenElevation,
-                           &elevation, sizeof(elevation), &size)) {
-    PLOG(ERROR) << "GetTokenInformation() failed";
-    return false;
-  }
-  return elevation.TokenIsElevated != 0;
-}
-
-bool CurrentProcessHasUiAccess() {
-  base::win::ScopedHandle scoped_process_token;
-  GetCurrentProcessToken(&scoped_process_token);
-
-  DWORD size;
-  DWORD uiaccess_value = 0;
-  if (!GetTokenInformation(scoped_process_token.Get(), TokenUIAccess,
-                           &uiaccess_value, sizeof(uiaccess_value), &size)) {
-    PLOG(ERROR) << "GetTokenInformation() failed";
-    return false;
-  }
-  return uiaccess_value != 0;
-}
-
-}  // namespace remoting