Make the NaCl windows 64 bit binaries not depend on chrome targets.

chrome/installer/util/util_constants.cc

 // Copyright (c) 2011 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/installer/util/util_constants.h"
 
 namespace installer {
 
 namespace switches {
 
@@ skipping 146 matching lines @@
 
 }  // namespace switches
 
 const wchar_t kChromeDll[] = L"chrome.dll";
 const wchar_t kChromeExe[] = L"chrome.exe";
 const wchar_t kChromeFrameDll[] = L"npchrome_frame.dll";
 const wchar_t kChromeFrameHelperExe[] = L"chrome_frame_helper.exe";
 const wchar_t kChromeFrameHelperWndClass[] = L"ChromeFrameHelperWindowClass";
 const wchar_t kChromeFrameReadyModeField[] = L"ChromeFrameReadyMode";
 const wchar_t kChromeLauncherExe[] = L"chrome_launcher.exe";
-const wchar_t kChromeNaCl64Dll[] = L"nacl64.dll";
 const wchar_t kChromeNewExe[] = L"new_chrome.exe";
 const wchar_t kChromeOldExe[] = L"old_chrome.exe";
 const wchar_t kCmdQuickEnableCf[] = L"quick-enable-cf";
 const wchar_t kGoogleChromeInstallSubDir1[] = L"Google";
 const wchar_t kGoogleChromeInstallSubDir2[] = L"Chrome";
 const wchar_t kInstallBinaryDir[] = L"Application";
 const wchar_t kInstallerDir[] = L"Installer";
 const wchar_t kInstallTempDir[] = L"Temp";
 const wchar_t kInstallUserDataDir[] = L"User Data";
 const wchar_t kNaClExe[] = L"nacl64.exe";
@@ skipping 13 matching lines @@
 
 // The presence of this environment variable with a value of 1 implies that
 // we should run as a system installation regardless of what is on the
 // command line.
 const char kGoogleUpdateIsMachineEnvVar[] = "GoogleUpdateIsMachine";
 
 const wchar_t kOptionMultiInstall[] = L"multi-install";
 const wchar_t kOptionReadyMode[] = L"ready-mode";
 
 }  // namespace installer