Fix compile failures in Chrome OS and Views builds.

chrome/browser/renderer_host/render_crash_handler_host_linux.cc

 // Copyright (c) 2009 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 "chrome/browser/renderer_host/render_crash_handler_host_linux.h"
 
 #include <dirent.h>
 #include <stdint.h>
 #include <string.h>
 #include <sys/socket.h>
@@ skipping 156 matching lines @@
   // SOCK_SEQPACKET, this is prevented.
   CHECK(socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds) == 0);
   static const int on = 1;
 
   // Enable passcred on the server end of the socket
   CHECK(setsockopt(fds[1], SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)) == 0);
 
   renderer_socket_ = fds[0];
   browser_socket_ = fds[1];
 
-  MessageLoop* ml = ChromeThread::GetMessageLoop(ChromeThread::IO);
-  ml->PostTask(FROM_HERE, NewRunnableMethod(
-        this, &RenderCrashHandlerHostLinux::Init));
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(this, &RenderCrashHandlerHostLinux::Init));
 }
 
 RenderCrashHandlerHostLinux::~RenderCrashHandlerHostLinux() {
   HANDLE_EINTR(close(renderer_socket_));
   HANDLE_EINTR(close(browser_socket_));
 }
 
 void RenderCrashHandlerHostLinux::Init() {
   MessageLoopForIO* ml = MessageLoopForIO::current();
   CHECK(ml->WatchFileDescriptor(
@@ skipping 164 matching lines @@
   info.guid_length = strlen(guid);
   info.distro = distro;
   info.distro_length = strlen(distro);
   info.upload = upload;
   HandleCrashDump(info);
 }
 
 void RenderCrashHandlerHostLinux::WillDestroyCurrentMessageLoop() {
   file_descriptor_watcher_.StopWatchingFileDescriptor();
 }