It2Me Host cleanup - Remove task_runner_

remoting/host/it2me/it2me_native_messaging_host_unittest.cc

 // Copyright 2013 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/it2me/it2me_native_messaging_host.h"
 
 #include <cstdint>
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 133 matching lines @@
  private:
   ~MockIt2MeHost() override {}
 
   void RunSetState(It2MeHostState state);
 
   DISALLOW_COPY_AND_ASSIGN(MockIt2MeHost);
 };
 
 void MockIt2MeHost::Connect() {
   if (!host_context()->ui_task_runner()->BelongsToCurrentThread()) {
-    DCHECK(task_runner()->BelongsToCurrentThread());
     host_context()->ui_task_runner()->PostTask(
         FROM_HERE, base::Bind(&MockIt2MeHost::Connect, this));
     return;
   }
 
   RunSetState(kStarting);
   RunSetState(kRequestedAccessCode);
 
   std::string access_code(kTestAccessCode);
   base::TimeDelta lifetime =
       base::TimeDelta::FromSeconds(kTestAccessCodeLifetimeInSeconds);
-  task_runner()->PostTask(FROM_HERE,
-                          base::Bind(&It2MeHost::Observer::OnStoreAccessCode,
-                                     observer(),
-                                     access_code,
-                                     lifetime));
+  host_context()->ui_task_runner()->PostTask(
+      FROM_HERE, base::Bind(&It2MeHost::Observer::OnStoreAccessCode, observer(),
+                            access_code, lifetime));
 
   RunSetState(kReceivedAccessCode);
 
   std::string client_username(kTestClientUsername);
-  task_runner()->PostTask(
-      FROM_HERE,
-      base::Bind(&It2MeHost::Observer::OnClientAuthenticated,
-                 observer(),
-                 client_username));
+  host_context()->ui_task_runner()->PostTask(
+      FROM_HERE, base::Bind(&It2MeHost::Observer::OnClientAuthenticated,
+                            observer(), client_username));
 
   RunSetState(kConnected);
 }
 
 void MockIt2MeHost::Disconnect() {
   if (!host_context()->network_task_runner()->BelongsToCurrentThread()) {
-    DCHECK(task_runner()->BelongsToCurrentThread());
+    DCHECK(host_context()->ui_task_runner()->BelongsToCurrentThread());
     host_context()->network_task_runner()->PostTask(
         FROM_HERE, base::Bind(&MockIt2MeHost::Disconnect, this));
     return;
   }
 
   RunSetState(kDisconnected);
 }
 
 void MockIt2MeHost::RequestNatPolicy() {}
 
@@ skipping 427 matching lines @@
 }
 
 // Verify rejection if type is unrecognized.
 TEST_F(It2MeNativeMessagingHostTest, InvalidType) {
   base::DictionaryValue message;
   message.SetString("type", "xxx");
   TestBadRequest(message, true);
 }
 
 }  // namespace remoting