android: Java-based launcher thread

content/browser/browser_process_sub_thread.h

 // 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_BROWSER_BROWSER_PROCESS_SUB_THREAD_H_
 #define CONTENT_BROWSER_BROWSER_PROCESS_SUB_THREAD_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 20 matching lines @@
 //
 // This simple thread object is used for the specialized threads that the
 // BrowserProcess spins up.
 //
 // Applications must initialize the COM library before they can call
 // COM library functions other than CoGetMalloc and memory allocation
 // functions, so this class initializes COM for those users.
 class CONTENT_EXPORT BrowserProcessSubThread : public BrowserThreadImpl {
  public:
   explicit BrowserProcessSubThread(BrowserThread::ID identifier);
+  BrowserProcessSubThread(BrowserThread::ID identifier,
+                          base::MessageLoop* message_loop);
   ~BrowserProcessSubThread() override;
 
  protected:
   void Init() override;
   void CleanUp() override;
 
  private:
   // These methods encapsulate cleanup that needs to happen on the IO thread
   // before we call the embedder's CleanUp function.
   void IOThreadPreCleanUp();
 
 #if defined (OS_WIN)
   std::unique_ptr<base::win::ScopedCOMInitializer> com_initializer_;
 #endif
 
   // Each specialized thread has its own notification service.
   std::unique_ptr<NotificationService> notification_service_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcessSubThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PROCESS_SUB_THREAD_H_