Linux: GCC 4.4 fix.

base/message_pump_glib_unittest.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 "base/message_pump_glib.h"
 
+#include <math.h>
 #include <gtk/gtk.h>
 #include <algorithm>
 #include <vector>
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/platform_thread.h"
 #include "base/ref_counted.h"
 #include "base/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 514 matching lines @@
 
 TEST_F(MessagePumpGLibTest, TestGtkLoop) {
   // Tests that events and posted tasks are correctly exectuted if the message
   // loop is not run by MessageLoop::Run() but by a straight Gtk loop.
   // Note that in this case we don't make strong guarantees about niceness
   // between events and posted tasks.
   loop()->PostTask(FROM_HERE,
                    NewRunnableFunction(TestGtkLoopInternal, injector()));
   loop()->Run();
 }