Revert 148418 - Always use chromium threads for IO in remoting host

remoting/host/chromoting_host_context.cc

Index: remoting/host/chromoting_host_context.cc
===================================================================
--- remoting/host/chromoting_host_context.cc	(revision 148577)
+++ remoting/host/chromoting_host_context.cc	(working copy)
@@ -9,15 +9,16 @@
 #include "base/bind.h"
 #include "base/threading/thread.h"
 #include "remoting/host/url_request_context.h"
+#include "remoting/jingle_glue/jingle_thread.h"
 
 namespace remoting {
 
 ChromotingHostContext::ChromotingHostContext(
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner)
-    : network_thread_("ChromotingNetworkThread"),
-      capture_thread_("ChromotingCaptureThread"),
+    : capture_thread_("ChromotingCaptureThread"),
       encode_thread_("ChromotingEncodeThread"),
       desktop_thread_("ChromotingDesktopThread"),
+      io_thread_("ChromotingIOThread"),
       file_thread_("ChromotingFileIOThread"),
       ui_task_runner_(ui_task_runner) {
 }
@@ -28,20 +29,24 @@
 bool ChromotingHostContext::Start() {
   // Start all the threads.
   bool started = capture_thread_.Start() && encode_thread_.Start() &&
-      network_thread_.StartWithOptions(base::Thread::Options(
-          MessageLoop::TYPE_IO, 0)) &&
-      desktop_thread_.Start() &&
+      jingle_thread_.Start() && desktop_thread_.Start() &&
+      io_thread_.StartWithOptions(
+          base::Thread::Options(MessageLoop::TYPE_IO, 0)) &&
       file_thread_.StartWithOptions(
           base::Thread::Options(MessageLoop::TYPE_IO, 0));
   if (!started)
     return false;
 
   url_request_context_getter_ = new URLRequestContextGetter(
-      ui_task_runner(), network_task_runner(),
+      ui_task_runner(), io_task_runner(),
       static_cast<MessageLoopForIO*>(file_thread_.message_loop()));
   return true;
 }
 
+JingleThread* ChromotingHostContext::jingle_thread() {
+  return &jingle_thread_;
+}
+
 base::SingleThreadTaskRunner* ChromotingHostContext::capture_task_runner() {
   return capture_thread_.message_loop_proxy();
 }
@@ -51,7 +56,7 @@
 }
 
 base::SingleThreadTaskRunner* ChromotingHostContext::network_task_runner() {
-  return network_thread_.message_loop_proxy();
+  return jingle_thread_.message_loop_proxy();
 }
 
 base::SingleThreadTaskRunner* ChromotingHostContext::desktop_task_runner() {
@@ -62,6 +67,10 @@
   return ui_task_runner_;
 }
 
+base::SingleThreadTaskRunner* ChromotingHostContext::io_task_runner() {
+  return io_thread_.message_loop_proxy();
+}
+
 base::SingleThreadTaskRunner* ChromotingHostContext::file_task_runner() {
   return file_thread_.message_loop_proxy();
 }