[chrome.dial] [WIP] Adds an API to get the active network ID.

chrome/browser/extensions/api/dial/dial_api.cc

 // Copyright (c) 2012 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/extensions/api/dial/dial_api.h"
 
 #include <stddef.h>
 #include <utility>
 #include <vector>
 
@@ skipping 153 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   result_ = dial_->dial_registry()->DiscoverNow();
 }
 
 bool DialDiscoverNowFunction::Respond() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   SetResult(base::MakeUnique<base::FundamentalValue>(result_));
   return true;
 }
 
+bool DialGetNetworkIdFunction::Prepare() {
+  // TODO: implement
+  return true;
+}
+
+void DialGetNetworkIdFunction::Work() {
+  // TODO: implement
+}
+
+bool DialGetNetworkIdFunction::Respond() {
+  // TODO: implement
+  return true;
+}
+
 }  // namespace api
 
 }  // namespace extensions