Revert of Remove dependency on content from remoting_host.

chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc

Index: chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc
diff --git a/chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc b/chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc
index 416db2980d44e11546a874a9d2e40d65126aab92..222c9e3064520eef9f7315e1e724338b2025cde4 100644
--- a/chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc
+++ b/chrome/browser/extensions/api/messaging/native_message_host_chromeos.cc
@@ -18,7 +18,6 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/messaging/native_messaging_test_util.h"
 #include "components/policy/core/common/policy_service.h"
-#include "content/public/browser/browser_thread.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/url_pattern.h"
 #include "net/url_request/url_request_context_getter.h"
@@ -97,13 +96,7 @@
   host_factory->set_policy_service(g_browser_process->policy_service());
   scoped_ptr<remoting::ChromotingHostContext> context =
       remoting::ChromotingHostContext::CreateForChromeOS(
-          make_scoped_refptr(g_browser_process->system_request_context()),
-          content::BrowserThread::GetMessageLoopProxyForThread(
-              content::BrowserThread::IO),
-          content::BrowserThread::GetMessageLoopProxyForThread(
-              content::BrowserThread::UI),
-          content::BrowserThread::GetMessageLoopProxyForThread(
-              content::BrowserThread::FILE));
+          make_scoped_refptr(g_browser_process->system_request_context()));
   scoped_ptr<NativeMessageHost> host(new remoting::It2MeNativeMessagingHost(
       context.Pass(), host_factory.Pass()));
   return host.Pass();