GN: aix port along with linux_s390x, linux_ppc64 and linux_ppc64le support.

base/message_loop/message_loop.cc

 // Copyright 2013 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_loop/message_loop.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 150 matching lines @@
 std::unique_ptr<MessagePump> MessageLoop::CreateMessagePumpForType(Type type) {
 // TODO(rvargas): Get rid of the OS guards.
 #if defined(USE_GLIB) && !defined(OS_NACL)
   typedef MessagePumpGlib MessagePumpForUI;
 #elif (defined(OS_LINUX) && !defined(OS_NACL)) || defined(OS_BSD)
   typedef MessagePumpLibevent MessagePumpForUI;
 #endif
 
 #if defined(OS_IOS) || defined(OS_MACOSX)
 #define MESSAGE_PUMP_UI std::unique_ptr<MessagePump>(MessagePumpMac::Create())
-#elif defined(OS_NACL)
+#elif defined(OS_NACL) || defined(OS_AIX)
 // Currently NaCl doesn't have a UI MessageLoop.
 // TODO(abarth): Figure out if we need this.
 #define MESSAGE_PUMP_UI std::unique_ptr<MessagePump>()
 #else
 #define MESSAGE_PUMP_UI std::unique_ptr<MessagePump>(new MessagePumpForUI())
 #endif
 
 #if defined(OS_MACOSX)
   // Use an OS native runloop on Mac to support timer coalescing.
 #define MESSAGE_PUMP_DEFAULT \
@@ skipping 484 matching lines @@
       persistent,
       mode,
       controller,
       delegate);
 }
 #endif
 
 #endif  // !defined(OS_NACL_SFI)
 
 }  // namespace base