Move ZygoteForkDelegateLinux to content/public/app.

content/public/app/content_main_delegate.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_
 #define CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_
 #pragma once
 
 #include <string>
 
 #include "build/build_config.h"
 
 struct MainFunctionParams;
-class ZygoteForkDelegate;
 
 namespace content {
 
+class ZygoteForkDelegate;
+
 class ContentMainDelegate {
  public:
   virtual ~ContentMainDelegate() {}
 
   // Tells the embedder that the absolute basic startup has been done, i.e. it's
   // now safe to create singletons and check the command line. Return true if
   // the process should exit afterwards, and if so, |exit_code| should be set.
   // This is the place for embedder to do the things that must happen at the
   // start. Most of its startup code should be in the methods below.
   virtual bool BasicStartupComplete(int* exit_code) = 0;
@@ skipping 26 matching lines @@
   virtual bool ShouldSendMachPort(const std::string& process_type) = 0;
 
   // Allows the embedder to override initializing the sandbox. This is needed
   // because some processes might not want to enable it right away or might not
   // want it at all.
   virtual bool DelaySandboxInitialization(const std::string& process_type) = 0;
 
 #elif defined(OS_POSIX)
   // Tells the embedder that the zygote process is starting, and allows it to
   // specify a zygote delegate if it wishes.
-  virtual ZygoteForkDelegate* ZygoteStarting() = 0;
+  virtual content::ZygoteForkDelegate* ZygoteStarting() = 0;
 
   // Called every time the zygote process forks.
   virtual void ZygoteForked() = 0;
 #endif  // OS_MACOSX
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_