DevTools: Introduce Target class which holds connection & models

Source/devtools/front_end/RuntimeModel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
- * @param {!WebInspector.ResourceTreeModel} resourceTreeModel
+ * @param {!WebInspector.Target} target
  */
-WebInspector.RuntimeModel = function(resourceTreeModel)
+WebInspector.RuntimeModel = function(target)
 {
-    this._agent = RuntimeAgent;
-    this._debuggerModel = WebInspector.debuggerModel;
-    resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameAdded, this._frameAdded, this);
-    resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameNavigated, this._frameNavigated, this);
-    resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameDetached, this._frameDetached, this);
-    resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.CachedResourcesLoaded, this._didLoadCachedResources, this);
+    this._agent = target.connection.agent("Runtime");
+    this._debuggerModel = target.debuggerModel;
+    target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameAdded, this._frameAdded, this);
+    target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameNavigated, this._frameNavigated, this);
+    target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameDetached, this._frameDetached, this);
+    target.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.CachedResourcesLoaded, this._didLoadCachedResources, this);
     this._frameIdToContextList = {};
+    target.connection.registerDispatcher("Runtime", new WebInspector.RuntimeDispatcher(this));
 }
 
 WebInspector.RuntimeModel.Events = {
     FrameExecutionContextListAdded: "FrameExecutionContextListAdded",
     FrameExecutionContextListRemoved: "FrameExecutionContextListRemoved",
 }
 
 WebInspector.RuntimeModel.prototype = {
     /**
      * @param {?WebInspector.ExecutionContext} executionContext
@@ skipping 58 matching lines @@
         var frame = /** @type {!WebInspector.ResourceTreeFrame} */ (event.data);
         var context = this._frameIdToContextList[frame.id];
         if (!context)
             return;
         this.dispatchEventToListeners(WebInspector.RuntimeModel.Events.FrameExecutionContextListRemoved, context);
         delete this._frameIdToContextList[frame.id];
     },
 
     _didLoadCachedResources: function()
     {
-        InspectorBackend.registerRuntimeDispatcher(new WebInspector.RuntimeDispatcher(this));
         this._agent.enable();
     },
 
     _executionContextCreated: function(context)
     {
         var contextList = this._frameIdToContextList[context.frameId];
         console.assert(contextList);
         contextList._addExecutionContext(new WebInspector.ExecutionContext(context.id, context.name, context.isPageContext));
     },
 
@@ skipping 350 matching lines @@
     /**
      * @return {string}
      */
     get displayName()
     {
         return this._frame.displayName();
     },
 
     __proto__: WebInspector.Object.prototype
 }