Own the GLib poll FD; it should not be on the stack.

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 49 matching lines @@
   // descriptor to it.
   int pipe_fd[2];
   CHECK(0 == pipe(pipe_fd)) << "Could not create pipe!";
   write_fd_work_scheduled_ = pipe_fd[1];
   read_fd_work_scheduled_ = pipe_fd[0];
   int flags = fcntl(read_fd_work_scheduled_, F_GETFL, 0);
   if (-1 == flags)
     flags = 0;
   CHECK(0 == fcntl(read_fd_work_scheduled_, F_SETFL, flags | O_NONBLOCK)) <<
       "Could not set file descriptor to non-blocking!";
-  GPollFD poll_fd;
-  poll_fd.fd = read_fd_work_scheduled_;
-  poll_fd.events = G_IO_IN | G_IO_HUP | G_IO_ERR;
-  work_source_ = AddSource(&WorkSourceFuncs, G_PRIORITY_DEFAULT, &poll_fd);
+  work_source_poll_info_ = new GPollFD;
+  work_source_poll_info_->fd = read_fd_work_scheduled_;
+  work_source_poll_info_->events = G_IO_IN | G_IO_HUP | G_IO_ERR;
+  work_source_ = AddSource(&WorkSourceFuncs, G_PRIORITY_DEFAULT,
+                           work_source_poll_info_);
 }
 
 MessagePumpForUI::~MessagePumpForUI() {
   close(read_fd_work_scheduled_);
   close(write_fd_work_scheduled_);
   g_source_destroy(work_source_);
   g_source_unref(work_source_);
+  delete work_source_poll_info_;
 }
 
 struct ThreadIdTraits {
   static void New(void* instance) {
     int* thread_id = static_cast<int*>(instance);
     *thread_id = PlatformThread::CurrentId();
   }
   static void Delete(void* instance) {
   }
 };
@@ skipping 204 matching lines @@
   static_cast<WorkSource*>(source)->self = this;
 
   if (optional_poll_fd)
     g_source_add_poll(source, optional_poll_fd);
 
   g_source_attach(source, context_);
   return source;
 }
 
 }  // namespace base