Fix single process mode and the unit_tests on Linux....

chrome/common/child_thread.cc

 // 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.
 
 #include "chrome/common/child_thread.h"
 
 #include "base/string_util.h"
 #include "base/command_line.h"
 #include "chrome/common/child_process.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/ipc_logging.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/plugin_messages.h"
 #include "webkit/glue/webkit_glue.h"
 
 
-ChildThread::ChildThread()
-    : check_with_browser_before_shutdown_(false),
-      message_loop_(MessageLoop::current()) {
+ChildThread::ChildThread() {
   channel_name_ = WideToASCII(
       CommandLine::ForCurrentProcess()->GetSwitchValue(
           switches::kProcessChannelID));
+  Init();
+}
 
+ChildThread::ChildThread(const std::string channel_name)
+    : channel_name_(channel_name) {
+  Init();
+}
+
+void ChildThread::Init() {
+  check_with_browser_before_shutdown_ = false;
+  message_loop_ = MessageLoop::current();
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUserAgent)) {
     webkit_glue::SetUserAgent(WideToUTF8(
         CommandLine::ForCurrentProcess()->GetSwitchValue(
             switches::kUserAgent)));
   }
 
   channel_.reset(new IPC::SyncChannel(channel_name_,
       IPC::Channel::MODE_CLIENT, this, NULL,
       ChildProcess::current()->io_message_loop(), true,
       ChildProcess::current()->GetShutDownEvent()));
@@ skipping 81 matching lines @@
     MessageLoop::current()->Quit();
     return;
   }
 
   // The child process shutdown sequence is a request response based mechanism,
   // where we send out an initial feeler request to the child process host
   // instance in the browser to verify if it's ok to shutdown the child process.
   // The browser then sends back a response if it's ok to shutdown.
   Send(new PluginProcessHostMsg_ShutdownRequest);
 }