Revert "Move mojo edk into mojo/edk"

mojo/edk/embedder/channel_init.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 "mojo/edk/embedder/channel_init.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "mojo/edk/embedder/embedder.h"
-
-namespace mojo {
-namespace embedder {
-
-ChannelInit::ChannelInit() : channel_info_(nullptr), weak_factory_(this) {
-}
-
-ChannelInit::~ChannelInit() {
-  if (channel_info_)
-    DestroyChannel(channel_info_);
-}
-
-ScopedMessagePipeHandle ChannelInit::Init(
-    base::PlatformFile file,
-    scoped_refptr<base::TaskRunner> io_thread_task_runner) {
-  DCHECK(!io_thread_task_runner_.get());  // Should only init once.
-  io_thread_task_runner_ = io_thread_task_runner;
-  ScopedMessagePipeHandle message_pipe =
-      CreateChannel(ScopedPlatformHandle(PlatformHandle(file)),
-                    io_thread_task_runner,
-                    base::Bind(&ChannelInit::OnCreatedChannel,
-                               weak_factory_.GetWeakPtr(),
-                               io_thread_task_runner),
-                    base::MessageLoop::current()->message_loop_proxy()).Pass();
-  return message_pipe.Pass();
-}
-
-void ChannelInit::WillDestroySoon() {
-  if (channel_info_)
-    WillDestroyChannelSoon(channel_info_);
-}
-
-// static
-void ChannelInit::OnCreatedChannel(base::WeakPtr<ChannelInit> self,
-                                   scoped_refptr<base::TaskRunner> io_thread,
-                                   ChannelInfo* channel) {
-  // If |self| was already destroyed, shut the channel down.
-  if (!self) {
-    DestroyChannel(channel);
-    return;
-  }
-
-  self->channel_info_ = channel;
-}
-
-}  // namespace embedder
-}  // namespace mojo