Remove the unused helper apps on OS X.

content/browser/plugin_loader_posix.cc

 // 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.
 
 #include "content/browser/plugin_loader_posix.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 123 matching lines @@
   }
 
   RecordAction(
       base::UserMetricsAction("PluginLoaderPosix.LaunchUtilityProcess"));
 
   UtilityProcessHostImpl* host = new UtilityProcessHostImpl(
       this,
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get());
   process_host_ = host->AsWeakPtr();
   process_host_->DisableSandbox();
-#if defined(OS_MACOSX)
-  host->set_child_flags(ChildProcessHost::CHILD_ALLOW_HEAP_EXECUTION);
-#endif
 
   bool launched = LaunchUtilityProcess();
   if (!launched) {
     // The utility process either failed to start or failed to receive the IPC.
     // This process will never receive any callbacks for OnPluginLoaded() or
     // OnPluginLoadFailed().
     FinishedLoadingPlugins();
   }
 }
 
@@ skipping 74 matching lines @@
         FROM_HERE, base::Bind(callback, loaded_plugins_));
   }
   callbacks_.clear();
 }
 
 bool PluginLoaderPosix::LaunchUtilityProcess() {
   return process_host_->Send(new UtilityMsg_LoadPlugins(canonical_list_));
 }
 
 }  // namespace content