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/sec_buffer.h

@@ -1,156 +0,0 @@
-/*
- *  Copyright 2004 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.
- */
-
-// @file Contains utility classes that make it easier to use SecBuffers
-
-#ifndef WEBRTC_BASE_SEC_BUFFER_H__
-#define WEBRTC_BASE_SEC_BUFFER_H__
-
-namespace rtc {
-
-// A base class for CSecBuffer<T>. Contains
-// all implementation that does not require
-// template arguments.
-class CSecBufferBase : public SecBuffer {
- public:
-  CSecBufferBase() {
-    Clear();
-  }
-
-  // Uses the SSPI to free a pointer, must be
-  // used for buffers returned from SSPI APIs.
-  static void FreeSSPI(void *ptr) {
-    if ( ptr ) {
-      SECURITY_STATUS status;
-      status = ::FreeContextBuffer(ptr);
-      ASSERT(SEC_E_OK == status); // "Freeing context buffer"
-    }
-  }
-
-  // Deletes a buffer with operator delete
-  static void FreeDelete(void *ptr) {
-    delete [] reinterpret_cast<char*>(ptr);
-  }
-
-  // A noop delete, for buffers over other
-  // people's memory
-  static void FreeNone(void *ptr) {
-  }
-
- protected:
-  // Clears the buffer to EMPTY & NULL
-  void Clear() {
-    this->BufferType = SECBUFFER_EMPTY;
-    this->cbBuffer = 0;
-    this->pvBuffer = NULL;
-  }
-};
-
-// Wrapper class for SecBuffer to take care
-// of initialization and destruction.
-template <void (*pfnFreeBuffer)(void *ptr)>
-class CSecBuffer: public CSecBufferBase {
- public:
-  // Initializes buffer to empty & NULL
-  CSecBuffer() {
-  }
-
-  // Frees any allocated memory
-  ~CSecBuffer() {
-    Release();
-  }
-
-  // Frees the buffer appropriately, and re-nulls
-  void Release() {
-    pfnFreeBuffer(this->pvBuffer);
-    Clear();
-  }
-
- private:
-  // A placeholder function for compile-time asserts on the class
-  void CompileAsserts() {
-    // never invoked...
-    assert(false); // _T("Notreached")
-
-    // This class must not extend the size of SecBuffer, since
-    // we use arrays of CSecBuffer in CSecBufferBundle below
-    cassert(sizeof(CSecBuffer<SSPIFree> == sizeof(SecBuffer)));
-  }
-};
-
-// Contains all generic implementation for the
-// SecBufferBundle class
-class SecBufferBundleBase {
- public:
-};
-
-// A template class that bundles a SecBufferDesc with
-// one or more SecBuffers for convenience. Can take
-// care of deallocating buffers appropriately, as indicated
-// by pfnFreeBuffer function.
-// By default does no deallocation.
-template <int num_buffers,
-          void (*pfnFreeBuffer)(void *ptr) = CSecBufferBase::FreeNone>
-class CSecBufferBundle : public SecBufferBundleBase {
- public:
-  // Constructs a security buffer bundle with num_buffers
-  // buffers, all of which are empty and nulled.
-  CSecBufferBundle() {
-    desc_.ulVersion = SECBUFFER_VERSION;
-    desc_.cBuffers = num_buffers;
-    desc_.pBuffers = buffers_;
-  }
-
-  // Frees all currently used buffers.
-  ~CSecBufferBundle() {
-    Release();
-  }
-
-  // Accessor for the descriptor
-  PSecBufferDesc desc() {
-    return &desc_;
-  }
-
-  // Accessor for the descriptor
-  const PSecBufferDesc desc() const {
-    return &desc_;
-  }
-
-  // returns the i-th security buffer
-  SecBuffer &operator[] (size_t num) {
-    ASSERT(num < num_buffers); // "Buffer index out of bounds"
-    return buffers_[num];
-  }
-
-  // returns the i-th security buffer
-  const SecBuffer &operator[] (size_t num) const {
-    ASSERT(num < num_buffers); // "Buffer index out of bounds"
-    return buffers_[num];
-  }
-
-  // Frees all non-NULL security buffers,
-  // using the deallocation function
-  void Release() {
-    for ( size_t i = 0; i < num_buffers; ++i ) {
-      buffers_[i].Release();
-    }
-  }
-
- private:
-  // Our descriptor
-  SecBufferDesc               desc_;
-  // Our bundled buffers, each takes care of its own
-  // initialization and destruction
-  CSecBuffer<pfnFreeBuffer>   buffers_[num_buffers];
-};
-
-} // namespace rtc
-
-#endif  // WEBRTC_BASE_SEC_BUFFER_H__