Revert 119198 - First pass at implementing the MessageLoop interface. This includes a simple

ppapi/utility/threading/simple_thread.cc

Index: ppapi/utility/threading/simple_thread.cc
===================================================================
--- ppapi/utility/threading/simple_thread.cc	(revision 119199)
+++ ppapi/utility/threading/simple_thread.cc	(working copy)
@@ -1,96 +0,0 @@
-// 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 "ppapi/utility/threading/simple_thread.h"
-
-#ifdef WIN32
-#include <windows.h>
-#endif
-
-namespace pp {
-
-namespace {
-
-struct ThreadData {
-  MessageLoop_Dev message_loop;
-
-  SimpleThread::ThreadFunc func;
-  void* user_data;
-};
-
-#ifdef WIN32
-DWORD WINAPI RunThread(void* void_data) {
-#else
-void* RunThread(void* void_data) {
-#endif
-  ThreadData* data = static_cast<ThreadData*>(void_data);
-  data->message_loop.AttachToCurrentThread();
-
-  if (data->func)
-    data->func(data->message_loop, data->user_data);
-  else
-    data->message_loop.Run();
-
-  delete data;
-  return NULL;
-}
-
-}   // namespace
-
-SimpleThread::SimpleThread(Instance* instance)
-    : instance_(instance),
-      message_loop_(instance),
-      thread_(0) {
-}
-
-SimpleThread::~SimpleThread() {
-  Join();
-}
-
-bool SimpleThread::Start() {
-  return StartWithFunction(NULL, NULL);
-}
-
-bool SimpleThread::Join() {
-  if (!thread_)
-    return false;
-
-  message_loop_.PostQuit(true);
-
-#ifdef WIN32
-  DWORD result = WaitForSingleObject(thread_, INFINITE);
-  CloseHandle(thread_);
-  thread_ = 0;
-  return result == WAIT_OBJECT_0;
-
-#else
-  void* retval;
-  int result = pthread_join(thread_, &retval);
-  thread_ = 0;
-  return result == 0;
-#endif
-}
-
-bool SimpleThread::StartWithFunction(ThreadFunc func, void* user_data) {
-  if (thread_)
-    return false;
-
-  ThreadData* data = new ThreadData;
-  data->message_loop = message_loop_;
-  data->func = func;
-  data->user_data = user_data;
-
-#ifdef WIN32
-  thread_ = CreateThread(NULL, 0, &RunThread, data, 0, NULL);
-  if (!thread_) {
-#else
-  if (pthread_create(&thread_, NULL, &RunThread, data) != 0) {
-#endif
-    delete data;
-    return false;
-  }
-  return true;
-}
-
-}  // namespace pp