Revert 90805 - I am submitting this with LGTMs from agl@ and evanm@. I'm marking this as TBR=jam@...

content/browser/zygote_host_linux.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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_BROWSER_ZYGOTE_HOST_LINUX_H_
 #define CONTENT_BROWSER_ZYGOTE_HOST_LINUX_H_
 #pragma once
 
 #include <unistd.h>
 
 #include <string>
@@ skipping 13 matching lines @@
 
 // The zygote host is the interface, in the browser process, to the zygote
 // process.
 class ZygoteHost {
  public:
   // Returns the singleton instance.
   static ZygoteHost* GetInstance();
 
   void Init(const std::string& sandbox_cmd);
 
-  // Tries to start a process of type indicated by process_type.
-  // Returns its pid on success, otherwise
+  // Tries to start a renderer process.  Returns its pid on success, otherwise
   // base::kNullProcessHandle;
-  pid_t ForkRequest(const std::vector<std::string>& command_line,
-                    const base::GlobalDescriptors::Mapping& mapping,
-                    const std::string& process_type);
+  pid_t ForkRenderer(const std::vector<std::string>& command_line,
+                     const base::GlobalDescriptors::Mapping& mapping);
   void EnsureProcessTerminated(pid_t process);
 
   // Get the termination status (and, optionally, the exit code) of
   // the process. |exit_code| is set to the exit code of the child
   // process. (|exit_code| may be NULL.)
   base::TerminationStatus GetTerminationStatus(base::ProcessHandle handle,
                                                int* exit_code);
 
   // These are the command codes used on the wire between the browser and the
   // zygote.
@@ skipping 40 matching lines @@
   base::Lock control_lock_;
   pid_t pid_;
   bool init_;
   bool using_suid_sandbox_;
   std::string sandbox_binary_;
   bool have_read_sandbox_status_word_;
   int sandbox_status_;
 };
 
 #endif  // CONTENT_BROWSER_ZYGOTE_HOST_LINUX_H_