Obliterate legacy cronet API. All of its users have been migrated.

components/cronet/android/wrapped_channel_upload_element_reader.cc

-// Copyright 2014 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 "components/cronet/android/wrapped_channel_upload_element_reader.h"
-
-#include "base/android/jni_android.h"
-#include "base/logging.h"
-#include "net/base/io_buffer.h"
-#include "net/base/net_errors.h"
-
-namespace cronet {
-
-WrappedChannelElementReader::WrappedChannelElementReader(
-    scoped_refptr<URLRequestAdapter::URLRequestAdapterDelegate> delegate,
-    uint64_t length)
-    : length_(length), offset_(0), delegate_(delegate) {}
-
-WrappedChannelElementReader::~WrappedChannelElementReader() {
-}
-
-int WrappedChannelElementReader::Init(const net::CompletionCallback& callback) {
-  if (offset_ != 0)
-    return net::ERR_UPLOAD_STREAM_REWIND_NOT_SUPPORTED;
-  return net::OK;
-}
-
-uint64_t WrappedChannelElementReader::GetContentLength() const {
-  return length_;
-}
-
-uint64_t WrappedChannelElementReader::BytesRemaining() const {
-  return length_ - offset_;
-}
-
-bool WrappedChannelElementReader::IsInMemory() const {
-  return false;
-}
-
-int WrappedChannelElementReader::Read(net::IOBuffer* buf,
-                                      int buf_length,
-                                      const net::CompletionCallback& callback) {
-  DCHECK(!callback.is_null());
-  DCHECK(delegate_.get());
-  // TODO(mef): Post the read to file thread.
-  int bytes_read = delegate_->ReadFromUploadChannel(buf, buf_length);
-  if (bytes_read < 0)
-    return net::ERR_FAILED;
-  offset_ += bytes_read;
-  return bytes_read;
-}
-
-}  // namespace cronet
-