Move some basic early process init into Service Manager

content/app/mac/mac_init.mm

-// Copyright 2015 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/app/mac/mac_init.h"
-
-#import <Cocoa/Cocoa.h>
-
-namespace content {
-
-void InitializeMac() {
-  [[NSUserDefaults standardUserDefaults] registerDefaults:@{
-      // Exceptions routed to -[NSApplication reportException:] should crash
-      // immediately, as opposed being swallowed or presenting UI that gives the
-      // user a choice in the matter.
-      @"NSApplicationCrashOnExceptions": @YES,
-
-      // Prevent Cocoa from turning command-line arguments into -[NSApplication
-      // application:openFile:], because they are handled directly. @"NO" looks
-      // like a mistake, but the value really is supposed to be a string.
-      @"NSTreatUnknownArgumentsAsOpen": @"NO",
-  }];
-}
-
-}  // namespace content