Switch from wcsftime to GetDateFormat to avoid crash in setup....

chrome/installer/util/install_util.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.
 //
 // See the corresponding header file for description of the functions in this
 // file.
 
 #include "chrome/installer/util/install_util.h"
 
 #include <shellapi.h>
@@ skipping 245 matching lines @@
     std::wstring command;
     command.append(1, L'"')
         .append(no_program ? L"" : exe_path)
         .append(L"\" ")
         .append(arguments);
 
     // If we have a program name, return this complete command line.
     *command_line = CommandLine::FromString(command);
   }
 }
+
+std::wstring InstallUtil::GetCurrentDate() {
+  static const wchar_t kDateFormat[] = L"yyyyMMdd";
+  wchar_t date_str[arraysize(kDateFormat)] = {0};
+  int len = GetDateFormatW(LOCALE_INVARIANT, 0, NULL, kDateFormat,
+                           date_str, arraysize(date_str));
+  if (len) {
+    --len;  // Subtract terminating \0.
+  } else {
+    PLOG(DFATAL) << "GetDateFormat";
+  }
+
+  return std::wstring(date_str, len);
+}