Add support for backgrounding processes on the Mac

content/browser/child_process_launcher.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 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/child_process_launcher.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/metrics/field_trial.h"

[Avi (use Gerrit), 2015/04/21 20:59:45]

Do you need this include?

[shrike, 2015/04/21 21:08:33]

No - removed.

 #include "base/metrics/histogram.h"
 #include "base/process/process.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_descriptors.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
+#include "content/shell/common/shell_switches.h"

[Avi (use Gerrit), 2015/04/21 20:59:45]

You still need to remove this line.

[shrike, 2015/04/21 21:08:33]

There was an existing ../content_switches.h include before my modifications - I
thought this was it but I see it's not. Removed.

 
 #if defined(OS_WIN)
 #include "base/files/file_path.h"
 #include "content/common/sandbox_win.h"
 #include "content/public/common/sandbox_init.h"
 #elif defined(OS_MACOSX)
 #include "content/browser/bootstrap_sandbox_mac.h"
 #include "content/browser/mach_broker_mac.h"
 #include "sandbox/mac/bootstrap_sandbox.h"
 #elif defined(OS_ANDROID)
@@ skipping 230 matching lines @@
   } else
 #endif  // !OS_MACOSX
   base::EnsureProcessTerminated(process.Pass());
 #endif  // OS_POSIX
 #endif  // defined(OS_ANDROID)
 }
 
 void SetProcessBackgroundedOnLauncherThread(base::Process process,
                                             bool background) {
   DCHECK_CURRENTLY_ON(BrowserThread::PROCESS_LAUNCHER);
+#if defined(OS_MACOSX)
+  MachBroker* broker = MachBroker::GetInstance();
+  process.SetProcessBackgrounded(broker->TaskForPid(process.Pid()), background);
+#else
   process.SetProcessBackgrounded(background);
+#endif  // defined(OS_MACOSX)
 #if defined(OS_ANDROID)
   SetChildProcessInForeground(process.Handle(), !background);
 #endif
 }
 
 }  // anonymous namespace
 
 ChildProcessLauncher::ChildProcessLauncher(
     SandboxedProcessLauncherDelegate* delegate,
     base::CommandLine* cmd_line,
@@ skipping 210 matching lines @@
 }
 
 ChildProcessLauncher::Client* ChildProcessLauncher::ReplaceClientForTest(
     Client* client) {
   Client* ret = client_;
   client_ = client;
   return ret;
 }
 
 }  // namespace content