Support sharing of ContentMain and BrowserMain code with embedded use cases (try #3).

content/public/app/content_main_delegate.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #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"
@@ skipping 15 matching lines @@
   virtual bool BasicStartupComplete(int* exit_code) = 0;
 
   // This is where the embedder puts all of its startup code that needs to run
   // before the sandbox is engaged.
   virtual void PreSandboxStartup() = 0;
 
   // This is where the embedder can add startup code to run after the sandbox
   // has been initialized.
   virtual void SandboxInitialized(const std::string& process_type) = 0;
 
-  // Asks the embedder to start a process that content doesn't know about.
+  // Asks the embedder to start a process. Return -1 for the default behavior.
   virtual int RunProcess(
       const std::string& process_type,
       const content::MainFunctionParams& main_function_params) = 0;
 
   // Called right before the process exits.
   virtual void ProcessExiting(const std::string& process_type) = 0;
 
 #if defined(OS_MACOSX)
   // Returns true if the process registers with the system monitor, so that we
   // can allocate an IO port for it before the sandbox is initialized. Embedders
@@ skipping 17 matching lines @@
   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_