Use PlatformThreadId, not int when dealing with thread ids.

base/message_pump_glib.cc

 // Copyright (c) 2008 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_pump_glib.h"
 
 #include <fcntl.h>
 #include <math.h>
 
 #include "base/lazy_instance.h"
@@ skipping 104 matching lines @@
   g_source_destroy(work_source_);
   g_source_unref(work_source_);
   close(wakeup_pipe_read_);
   close(wakeup_pipe_write_);
 }
 
 void MessagePumpForUI::Run(Delegate* delegate) {
 #ifndef NDEBUG
   // Make sure we only run this on one thread.  GTK only has one message pump
   // so we can only have one UI loop per process.
-  static int thread_id = PlatformThread::CurrentId();
+  static PlatformThreadId thread_id = PlatformThread::CurrentId();
   DCHECK(thread_id == PlatformThread::CurrentId()) <<
       "Running MessagePumpForUI on two different threads; "
       "this is unsupported by GLib!";
 #endif
 
   RunState state;
   state.delegate = delegate;
   state.should_quit = false;
   state.run_depth = state_ ? state_->run_depth + 1 : 1;
   // We really only do a single task for each iteration of the loop.  If we
@@ skipping 92 matching lines @@
 }
 
 void MessagePumpForUI::ScheduleDelayedWork(const Time& delayed_work_time) {
   // We need to wake up the loop in case the poll timeout needs to be
   // adjusted.  This will cause us to try to do work, but that's ok.
   delayed_work_time_ = delayed_work_time;
   ScheduleWork();
 }
 
 }  // namespace base