Revert 206507 "Move message_pump to base/message_loop."

trunk/src/base/message_loop/message_pump_ozone.cc

-// Copyright (c) 2013 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 "base/message_loop/message_pump_ozone.h"
-
-#include "base/logging.h"
-#include "base/message_loop.h"
-
-namespace base {
-
-MessagePumpOzone::MessagePumpOzone()
-    : MessagePumpLibevent() {
-}
-
-MessagePumpOzone::~MessagePumpOzone() {
-}
-
-void MessagePumpOzone::AddObserver(MessagePumpObserver* /* observer */) {
-  NOTIMPLEMENTED();
-}
-
-void MessagePumpOzone::RemoveObserver(MessagePumpObserver* /* observer */) {
-  NOTIMPLEMENTED();
-}
-
-// static
-MessagePumpOzone* MessagePumpOzone::Current() {
-  MessageLoopForUI* loop = MessageLoopForUI::current();
-  return static_cast<MessagePumpOzone*>(loop->pump_ui());
-}
-
-void MessagePumpOzone::AddDispatcherForRootWindow(
-    MessagePumpDispatcher* dispatcher) {
-  // Only one root window is supported.
-  DCHECK(dispatcher_.size() == 0);
-  dispatcher_.insert(dispatcher_.begin(),dispatcher);
-}
-
-void MessagePumpOzone::RemoveDispatcherForRootWindow(
-      MessagePumpDispatcher* dispatcher) {
-  DCHECK(dispatcher_.size() == 1);
-  dispatcher_.pop_back();
-}
-
-bool MessagePumpOzone::Dispatch(const NativeEvent& dev) {
-  if (dispatcher_.size() > 0)
-    return dispatcher_[0]->Dispatch(dev);
-  else
-    return true;
-}
-
-// This code assumes that the caller tracks the lifetime of the |dispatcher|.
-void MessagePumpOzone::RunWithDispatcher(
-    Delegate* delegate, MessagePumpDispatcher* dispatcher) {
-  dispatcher_.push_back(dispatcher);
-  Run(delegate);
-  dispatcher_.pop_back();
-}
-
-}  // namespace base