Replace PluginMessageLoopProxy with PluginThreadTaskRunner.

remoting/base/plugin_message_loop_proxy.cc

-// Copyright (c) 2012 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 "remoting/base/plugin_message_loop_proxy.h"
-
-#include "base/bind.h"
-
-namespace remoting {
-
-PluginMessageLoopProxy::PluginMessageLoopProxy(Delegate* delegate)
-    : plugin_thread_id_(base::PlatformThread::CurrentId()),
-      delegate_(delegate) {
-}
-
-PluginMessageLoopProxy::~PluginMessageLoopProxy() {
-}
-
-void PluginMessageLoopProxy::Detach() {
-  base::AutoLock auto_lock(lock_);
-  if (delegate_) {
-    DCHECK(BelongsToCurrentThread());
-    delegate_ = NULL;
-  }
-}
-
-bool PluginMessageLoopProxy::PostDelayedTask(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task,
-    base::TimeDelta delay) {
-  base::AutoLock auto_lock(lock_);
-  if (!delegate_)
-    return false;
-
-  base::Closure* springpad_closure = new base::Closure(base::Bind(
-      &PluginMessageLoopProxy::RunClosureIf, this, task));
-  return delegate_->RunOnPluginThread(
-      delay, &PluginMessageLoopProxy::TaskSpringboard, springpad_closure);
-}
-
-bool PluginMessageLoopProxy::PostNonNestableDelayedTask(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task,
-    base::TimeDelta delay) {
-  // All tasks running on this message loop are non-nestable.
-  return PostDelayedTask(from_here, task, delay);
-}
-
-bool PluginMessageLoopProxy::RunsTasksOnCurrentThread() const {
-  // In pepper plugins ideally we should use pp::Core::IsMainThread,
-  // but it is problematic because we would need to keep reference to
-  // Core somewhere, e.g. make the delegate ref-counted.
-  return base::PlatformThread::CurrentId() == plugin_thread_id_;
-}
-
-// static
-void PluginMessageLoopProxy::TaskSpringboard(void* data) {
-  base::Closure* task = reinterpret_cast<base::Closure*>(data);
-  task->Run();
-  delete task;
-}
-
-void PluginMessageLoopProxy::RunClosureIf(const base::Closure& task) {
-  // |delegate_| can be changed only from our thread, so it's safe to
-  // access it without acquiring |lock_|.
-  if (delegate_)
-    task.Run();
-}
-
-}  // namespace remoting