Revert 6107 "Adds a modified copy of talk/base to webrtc/base. I..."

This breaks Chromium FYI builds and prevent roll of webrtc/libjingle to Chrome.

http://chromegw.corp.google.com/i/chromium.webrtc.fyi/builders/Win%20Builder/builds/457


> Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.
> 
> BUG=N/A
> R=andrew@webrtc.org, wu@webrtc.org
> 
> Review URL: https://webrtc-codereview.appspot.com/12199004

TBR=henrike@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/14479004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6116 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/win32socketinit.cc

@@ -1,46 +0,0 @@
-/*
- *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/win32socketinit.h"
-
-#include "webrtc/base/win32.h"
-
-namespace rtc {
-
-// Please don't remove this function.
-void EnsureWinsockInit() {
-  // The default implementation uses a global initializer, so WSAStartup
-  // happens at module load time.  Thus we don't need to do anything here.
-  // The hook is provided so that a client that statically links with
-  // libjingle can override it, to provide its own initialization.
-}
-
-#if defined(WEBRTC_WIN)
-class WinsockInitializer {
- public:
-  WinsockInitializer() {
-    WSADATA wsaData;
-    WORD wVersionRequested = MAKEWORD(1, 0);
-    err_ = WSAStartup(wVersionRequested, &wsaData);
-  }
-  ~WinsockInitializer() {
-    if (!err_)
-      WSACleanup();
-  }
-  int error() {
-    return err_;
-  }
- private:
-  int err_;
-};
-WinsockInitializer g_winsockinit;
-#endif
-
-}  // namespace rtc