Cache ntdll exports in ELF

chrome_elf/chrome_elf_main.cc

 // Copyright 2013 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 <windows.h>
 
 #include "chrome_elf/chrome_elf_main.h"
 
+#include "chrome_elf/ntdll_cache.h"
+
 void InitChromeElf() {
   // This method is a no-op which may be called to force a load-time dependency
   // on chrome_elf.dll.
 }
 
 BOOL APIENTRY DllMain(HMODULE module, DWORD reason, LPVOID reserved) {
+  if (reason == DLL_PROCESS_ATTACH)
+    InitCache();
   return TRUE;
 }