Revert of Updating OTS repo from https://github.com/khaledhosny/ots.git

third_party/ots/include/ots-memory-stream.h

-// Copyright (c) 2009 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.
-
-#ifndef OTS_MEMORY_STREAM_H_
-#define OTS_MEMORY_STREAM_H_
-
-#include <cstring>
-#include <limits>
-
-#include "opentype-sanitiser.h"
-
-namespace ots {
-
-class MemoryStream : public OTSStream {
- public:
-  MemoryStream(void *ptr, size_t length)
-      : ptr_(ptr), length_(length), off_(0) {
-  }
-
-  virtual bool WriteRaw(const void *data, size_t length) {
-    if ((off_ + length > length_) ||
-        (length > std::numeric_limits<size_t>::max() - off_)) {
-      return false;
-    }
-    std::memcpy(static_cast<char*>(ptr_) + off_, data, length);
-    off_ += length;
-    return true;
-  }
-
-  virtual bool Seek(off_t position) {
-    if (position < 0) return false;
-    if (static_cast<size_t>(position) > length_) return false;
-    off_ = position;
-    return true;
-  }
-
-  virtual off_t Tell() const {
-    return off_;
-  }
-
- private:
-  void* const ptr_;
-  size_t length_;
-  off_t off_;
-};
-
-class ExpandingMemoryStream : public OTSStream {
- public:
-  ExpandingMemoryStream(size_t initial, size_t limit)
-      : length_(initial), limit_(limit), off_(0) {
-    ptr_ = new uint8_t[length_];
-  }
-
-  ~ExpandingMemoryStream() {
-    delete[] static_cast<uint8_t*>(ptr_);
-  }
-
-  void* get() const {
-    return ptr_;
-  }
-
-  bool WriteRaw(const void *data, size_t length) {
-    if ((off_ + length > length_) ||
-        (length > std::numeric_limits<size_t>::max() - off_)) {
-      if (length_ == limit_)
-        return false;
-      size_t new_length = (length_ + 1) * 2;
-      if (new_length < length_)
-        return false;
-      if (new_length > limit_)
-        new_length = limit_;
-      uint8_t* new_buf = new uint8_t[new_length];
-      std::memcpy(new_buf, ptr_, length_);
-      length_ = new_length;
-      delete[] static_cast<uint8_t*>(ptr_);
-      ptr_ = new_buf;
-      return WriteRaw(data, length);
-    }
-    std::memcpy(static_cast<char*>(ptr_) + off_, data, length);
-    off_ += length;
-    return true;
-  }
-
-  bool Seek(off_t position) {
-    if (position < 0) return false;
-    if (static_cast<size_t>(position) > length_) return false;
-    off_ = position;
-    return true;
-  }
-
-  off_t Tell() const {
-    return off_;
-  }
-
- private:
-  void* ptr_;
-  size_t length_;
-  const size_t limit_;
-  off_t off_;
-};
-
-}  // namespace ots
-
-#endif  // OTS_MEMORY_STREAM_H_