android: Java-based launcher thread

content/browser/browser_process_sub_thread.cc

 // 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.
 
 #include "content/browser/browser_process_sub_thread.h"
 
 #include "base/debug/leak_tracker.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "build/build_config.h"
 #include "content/browser/browser_child_process_host_impl.h"
 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
 #include "content/browser/notification_service_impl.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #endif
 
 namespace content {
 
 BrowserProcessSubThread::BrowserProcessSubThread(BrowserThread::ID identifier)
-    : BrowserThreadImpl(identifier) {
-}
+    : BrowserThreadImpl(identifier) {}
+
+BrowserProcessSubThread::BrowserProcessSubThread(
+    BrowserThread::ID identifier,
+    base::MessageLoop* message_loop)
+    : BrowserThreadImpl(identifier, message_loop) {}
 
 BrowserProcessSubThread::~BrowserProcessSubThread() {
   Stop();
 }
 
 void BrowserProcessSubThread::Init() {
 #if defined(OS_WIN)
   com_initializer_.reset(new base::win::ScopedCOMInitializer());
 #endif
 
@@ skipping 34 matching lines @@
   // and delete the BrowserChildProcessHost instances to release whatever
   // IO thread only resources they are referencing.
   BrowserChildProcessHostImpl::TerminateAll();
 
   // Unregister GpuMemoryBuffer dump provider before IO thread is shut down.
   base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
       BrowserGpuMemoryBufferManager::current());
 }
 
 }  // namespace content