Mac: Do not ask to handle power events in processes with no PowerManager.

content/app/content_main_runner.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/public/app/content_main_runner.h"
 
 #include <stdlib.h>
 
 #include "base/allocator/allocator_extension.h"
 #include "base/at_exit.h"
@@ skipping 654 matching lines @@
     // management setup to be completed.
     TRACE_EVENT0("startup", "ContentMainRunnerImpl::Initialize");
 #endif // !OS_ANDROID
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
     // We need to allocate the IO Ports before the Sandbox is initialized or
     // the first instance of PowerMonitor is created.
     // It's important not to allocate the ports for processes which don't
     // register with the power monitor - see crbug.com/88867.
     if (process_type.empty() ||
-        process_type == switches::kPluginProcess ||
-        process_type == switches::kRendererProcess ||
-        process_type == switches::kUtilityProcess ||
-        process_type == switches::kWorkerProcess ||
         (delegate &&
          delegate->ProcessRegistersWithSystemProcess(process_type))) {
       base::PowerMonitorDeviceSource::AllocateSystemIOPorts();
     }
 
     if (!process_type.empty() &&
         (!delegate || delegate->ShouldSendMachPort(process_type))) {
       MachBroker::ChildSendTaskPortToParent();
     }
 #elif defined(OS_WIN)
@@ skipping 150 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ContentMainRunnerImpl);
 };
 
 // static
 ContentMainRunner* ContentMainRunner::Create() {
   return new ContentMainRunnerImpl();
 }
 
 }  // namespace content