Update Windows It2Me to allow remote users to interact with elevated windows

remoting/host/android/jni_host.cc

 // Copyright 2016 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 "remoting/host/android/jni_host.h"
 
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "jni/Host_jni.h"
@@ skipping 69 matching lines @@
   }
 
   XmppSignalStrategy::XmppServerConfig xmpp_config = xmpp_server_config_;
   xmpp_config.username = ConvertJavaStringToUTF8(user_name);
   xmpp_config.auth_token = ConvertJavaStringToUTF8(auth_token);
 
   std::string directory_bot_jid =
       ServiceUrls::GetInstance()->directory_bot_jid();
 
   // Create the It2Me host and start connecting.
-  it2me_host_ = factory_->CreateIt2MeHost(host_context_->Copy(), weak_ptr_,
+  it2me_host_ = factory_->CreateIt2MeHost(host_context_->Copy(),
+                                          /*policy_service=*/nullptr, weak_ptr_,
                                           xmpp_config, directory_bot_jid);
   it2me_host_->Connect();
 }
 
 void JniHost::Disconnect(JNIEnv* env,
                          const base::android::JavaParamRef<jobject>& caller) {
   if (it2me_host_) {
     it2me_host_->Disconnect();
     it2me_host_ = nullptr;
   }
@@ skipping 24 matching lines @@
   JNIEnv* env = base::android::AttachCurrentThread();
   Java_Host_onStateChanged(env, java_host_, state,
                            ConvertUTF8ToJavaString(env, error_message));
 }
 
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& caller) {
   return reinterpret_cast<intptr_t>(new JniHost(env, caller));
 }
 
 }  // namespace remoting