Hide NSAutoreleasePool from ARC translation units.

base/message_loop/message_pump_mac.mm

 // 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.
 
 #import "base/message_loop/message_pump_mac.h"
 
 #import <Foundation/Foundation.h>
 
 #include <limits>
 #include <stack>
@@ skipping 679 matching lines @@
 
   self->EnterExitRunLoop(activity);
 }
 
 // Called by MessagePumpCFRunLoopBase::EnterExitRunLoop.  The default
 // implementation is a no-op.
 void MessagePumpCFRunLoopBase::EnterExitRunLoop(CFRunLoopActivity activity) {
 }
 
 // Base version returns a standard NSAutoreleasePool.
-NSAutoreleasePool* MessagePumpCFRunLoopBase::CreateAutoreleasePool() {
+AutoreleasePoolType* MessagePumpCFRunLoopBase::CreateAutoreleasePool() {
   return [[NSAutoreleasePool alloc] init];
 }
 
 MessagePumpCFRunLoop::MessagePumpCFRunLoop()
     : quit_pending_(false) {
 }
 
 MessagePumpCFRunLoop::~MessagePumpCFRunLoop() {}
 
 // Called by MessagePumpCFRunLoopBase::DoRun.  If other CFRunLoopRun loops were
@@ skipping 191 matching lines @@
 // window in frame #5. When the stack is unwound to frame #5, the window would
 // no longer exists and crashes may occur. Apple gets around this by never
 // releasing the pool it creates in frame #4, and letting frame #7 clean it up
 // when it cleans up the pool that wraps frame #7. When an autorelease pool is
 // released it releases all other pools that were created after it on the
 // autorelease pool stack.
 //
 // CrApplication is responsible for setting handlingSendEvent to true just
 // before it sends the event through the event handling mechanism, and
 // returning it to its previous value once the event has been sent.
-NSAutoreleasePool* MessagePumpCrApplication::CreateAutoreleasePool() {
+AutoreleasePoolType* MessagePumpCrApplication::CreateAutoreleasePool() {
   if (MessagePumpMac::IsHandlingSendEvent())
     return nil;
   return MessagePumpNSApplication::CreateAutoreleasePool();
 }
 
 // static
 bool MessagePumpMac::UsingCrApp() {
   DCHECK([NSThread isMainThread]);
 
   // If NSApp is still not initialized, then the subclass used cannot
@@ skipping 31 matching lines @@
     [NSApplication sharedApplication];
     g_not_using_cr_app = true;
     return new MessagePumpNSApplication;
 #endif
   }
 
   return new MessagePumpNSRunLoop;
 }
 
 }  // namespace base