Make nesting/running states a RunLoop rather than a MessageLoop concept.

chrome/browser/browser_process_impl.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 "chrome/browser/browser_process_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/atomic_ref_count.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/debug/leak_annotations.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
+#include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
@@ skipping 1313 matching lines @@
 #endif
 
 #if defined(LEAK_SANITIZER)
   // Check for memory leaks now, before we start shutting down threads. Doing
   // this early means we won't report any shutdown-only leaks (as they have
   // not yet happened at this point).
   // If leaks are found, this will make the process exit immediately.
   __lsan_do_leak_check();
 #endif
 
-  CHECK(base::MessageLoop::current()->is_running());
+  CHECK(base::RunLoop::IsRunningOnCurrentThread());
 
 #if defined(OS_MACOSX)
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(ChromeBrowserMainPartsMac::DidEndMainMessageLoop));
 #endif
   base::MessageLoop::current()->QuitWhenIdle();
 
 #if !defined(OS_ANDROID)
   chrome::ShutdownIfNeeded();
 #endif  // !defined(OS_ANDROID)
@@ skipping 56 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)