DO NOT SUBMIT. Hacky trace event data for MessagePumpMac.

base/message_loop/message_pump_mac.h

 // 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.
 
 // The basis for all native run loops on the Mac is the CFRunLoop.  It can be
 // used directly, it can be used as the driving force behind the similar
 // Foundation NSRunLoop, and it can be used to implement higher-level event
 // loops such as the NSApplication event loop.
 //
 // This file introduces a basic CFRunLoop-based implementation of the
@@ skipping 14 matching lines @@
 // any other thread, one of the other concrete subclasses is preferrable.
 // MessagePumpMac::Create is defined, which returns a new NSApplication-based
 // or NSRunLoop-based MessagePump subclass depending on which thread it is
 // called on.
 
 #ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_
 #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_
 
 #include "base/message_loop/message_pump.h"
 
+#include <CoreFoundation/CoreFoundation.h>
+#include <stack>
+
 #include "base/basictypes.h"
 
-#include <CoreFoundation/CoreFoundation.h>
-
 #if !defined(__OBJC__)
 class NSAutoreleasePool;
 #else  // !defined(__OBJC__)
 #if defined(OS_IOS)
 #import <Foundation/Foundation.h>
 #else
 #import <AppKit/AppKit.h>
 
 // Clients must subclass NSApplication and implement this protocol if they use
 // MessagePumpMac.
@@ skipping 122 matching lines @@
   // independently of CFRunLoopTimerGetNextFireDate(delayed_work_timer_)
   // to be able to reset the timer properly after waking from system sleep.
   // See PowerStateNotification.
   CFAbsoluteTime delayed_work_fire_time_;
 
   // The recursion depth of the currently-executing CFRunLoopRun loop on the
   // run loop's thread.  0 if no run loops are running inside of whatever scope
   // the object was created in.
   int nesting_level_;
 
+  std::stack<uint32> nesting_stack_;
+
   // The recursion depth (calculated in the same way as nesting_level_) of the
   // innermost executing CFRunLoopRun loop started by a call to Run.
   int run_nesting_level_;
 
   // The deepest (numerically highest) recursion depth encountered since the
   // most recent attempt to run nesting-deferred work.
   int deepest_nesting_level_;
 
   // "Delegateless" work flags are set when work is ready to be performed but
   // must wait until a delegate is available to process it.  This can happen
@@ skipping 129 matching lines @@
   BASE_EXPORT static bool IsHandlingSendEvent();
 #endif  // !defined(OS_IOS)
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePumpMac);
 };
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_