[Media Router] Moves mojo-specific code into mojo/ folder

chrome/browser/media/router/media_route_provider_util_win.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 "chrome/browser/media/router/media_route_provider_util_win.h"
-
-#include "base/files/file_path.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/path_service.h"
-#include "chrome/installer/util/browser_distribution.h"
-#include "chrome/installer/util/firewall_manager_win.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace media_router {
-
-namespace {
-
-void DoCanFirewallUseLocalPorts(const base::Callback<void(bool)>& callback) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
-  base::FilePath exe_path;
-  bool can_use_local_ports = false;
-  if (!base::PathService::Get(base::FILE_EXE, &exe_path)) {
-    LOG(WARNING) << "Couldn't get path of current executable.";
-    return;
-  }
-  auto firewall_manager = installer::FirewallManager::Create(
-      BrowserDistribution::GetDistribution(), exe_path);
-  if (!firewall_manager) {
-    LOG(WARNING) << "Couldn't get FirewallManager instance.";
-    return;
-  }
-  can_use_local_ports = firewall_manager->CanUseLocalPorts();
-  content::BrowserThread::PostTask(
-      content::BrowserThread::UI, FROM_HERE,
-      base::Bind(callback, can_use_local_ports));
-}
-
-}  // namespace
-
-void CanFirewallUseLocalPorts(const base::Callback<void(bool)>& callback) {
-  content::BrowserThread::PostTask(
-      content::BrowserThread::FILE, FROM_HERE,
-      base::Bind(&DoCanFirewallUseLocalPorts, callback));
-}
-
-}  // namespace media_router