[DevTools] Scope common protocol infrastructure under Protocol namespace in a separate module.

third_party/WebKit/Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 282 matching lines @@
         target.registerInspectorDispatcher(new WebInspector.Main.InspectorDomainDispatcher(target));
         target.runtimeAgent().runIfWaitingForDebugger();
         if (target.hasBrowserCapability())
             target.inspectorAgent().enable();
 
         console.timeEnd("Main._connectAndCreateTarget");
     },
 
     /**
      * @param {function(string)} onMessage
-     * @return {!Promise<!InspectorBackendClass.Connection>}
+     * @return {!Promise<!Protocol.Connection>}
      */
     _interceptMainConnection: function(onMessage)
     {
         var params = {
             onMessage: onMessage,
             onDisconnect: this._connectAndCreateTarget.bind(this)
         };
         return this._connection.disconnect().then(this._createMainConnection.bind(this, params));
     },
 
     /**
-     * @param {!InspectorBackendClass.Connection.Params} params
-     * @return {!InspectorBackendClass.Connection}
+     * @param {!Protocol.Connection.Params} params
+     * @return {!Protocol.Connection}
      */
     _createMainConnection: function(params)
     {
         if (Runtime.queryParam("ws")) {
             var ws = "ws://" + Runtime.queryParam("ws");
             params.onDisconnect = onDisconnect.bind(null, params.onDisconnect);
             this._connection = new WebInspector.WebSocketConnection(ws, params);
         } else if (InspectorFrontendHost.isHostedMode()) {
             this._connection = new WebInspector.StubConnection(params);
         } else {
@@ skipping 625 matching lines @@
 };
 
 /**
  * @param {string} method
  * @param {?Object} params
  * @return {!Promise}
  */
 WebInspector.sendOverProtocol = function(method, params)
 {
     return new Promise((resolve, reject) => {
-        InspectorBackendClass.sendRawMessageForTesting(method, params, (err, result) => {
+        Protocol.sendRawMessageForTesting(method, params, (err, result) => {
             if (err)
                 return reject(err);
             return resolve(result);
         });
     });
 };
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
@@ skipping 139 matching lines @@
      * @override
      * @return {?Element}
      */
     settingElement: function()
     {
         return WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Show rulers"), WebInspector.moduleSetting("showMetricsRulers"));
     }
 };
 
 new WebInspector.Main();