Create top-level separate targets for browser and child dlls

chrome/split_dll_fake_entry.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>
-
-extern "C" {
-
-// This entry point and file is used to work around circular dependencies
-// between the split DLLs. The CRT initialization will fail if done at attach
-// time. Instead, we defer initialization until after both DLLs are loaded and
-// then manually call the CRT initialization function (via DoDeferredCrtInit).
-//
-// ChromeEmptyEntry is the DLL's entry point.
-
-BOOL WINAPI _DllMainCRTStartup(HINSTANCE, DWORD, LPVOID);
-
-BOOL WINAPI ChromeEmptyEntry(HINSTANCE hinstance,
-                             DWORD reason,
-                             LPVOID reserved) {
-  // We are going to do the 'process attach initialization manually via
-  // DoDeferredCrtInit but we need to let the DLL_THREAD_ATTACH calls work.
-  if (reason == DLL_PROCESS_ATTACH)
-    return 1;
-  return _DllMainCRTStartup(hinstance, reason, reserved);
-}
-
-__declspec(dllexport) BOOL __stdcall DoDeferredCrtInit(HINSTANCE hinstance) {
-  return _DllMainCRTStartup(hinstance, DLL_PROCESS_ATTACH, NULL);
-}
-
-// This function is needed for the linker to succeed. It seems to pick the
-// CRT lib based on the existence of "DllMain", and since we're renaming that,
-// it instead chooses the one that links against "main". This function should
-// never be called.
-int main() {
-  __debugbreak();
-}
-
-}