diff -r 000000000000 -r 6474c204b198 ipc/chromium/src/base/message_pump_qt.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/chromium/src/base/message_pump_qt.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,83 @@
+// Copyright (c) 2010 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.
+
+#ifndef BASE_MESSAGE_PUMP_QT_H_
+#define BASE_MESSAGE_PUMP_QT_H_
+
+#include <qobject.h>
+
+#include "base/message_pump.h"
+#include "base/time.h"
+
+class QTimer;
+
+namespace base {
+
+class MessagePumpForUI;
+
+class MessagePumpQt : public QObject {
+  Q_OBJECT
+
+ public:
+  MessagePumpQt(MessagePumpForUI &pump);
+  ~MessagePumpQt();
+
+  virtual bool event (QEvent *e);
+  void scheduleDelayedIfNeeded(const TimeTicks& delayed_work_time);
+
+ public Q_SLOTS:
+  void dispatchDelayed();
+
+ private:
+  base::MessagePumpForUI &pump;
+  QTimer* mTimer;
+};
+
+// This class implements a MessagePump needed for TYPE_UI MessageLoops on
+// OS_LINUX platforms using QApplication event loop
+class MessagePumpForUI : public MessagePump {
+
+ public:
+  MessagePumpForUI();
+  ~MessagePumpForUI();
+
+  virtual void Run(Delegate* delegate);
+  virtual void Quit();
+  virtual void ScheduleWork();
+  virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time);
+
+  // Internal methods used for processing the pump callbacks.  They are
+  // public for simplicity but should not be used directly.
+  // HandleDispatch is called after the poll has completed.
+  void HandleDispatch();
+
+ private:
+  // We may make recursive calls to Run, so we save state that needs to be
+  // separate between them in this structure type.
+  struct RunState {
+    Delegate* delegate;
+
+    // Used to flag that the current Run() invocation should return ASAP.
+    bool should_quit;
+
+    // Used to count how many Run() invocations are on the stack.
+    int run_depth;
+  };
+
+  RunState* state_;
+
+  // This is the time when we need to do delayed work.
+  TimeTicks delayed_work_time_;
+
+  // MessagePump implementation for Qt based on the GLib implement.
+  // On Qt we use a QObject base class and the
+  // default qApp in order to process events through QEventLoop.
+  MessagePumpQt qt_pump;
+
+  DISALLOW_COPY_AND_ASSIGN(MessagePumpForUI);
+};
+
+}  // namespace base
+
+#endif  // BASE_MESSAGE_PUMP_QT_H_