DevTools: allow handing over the raw protocol connection to external clients and back.

third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js

 // Copyright 2015 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.
 
 /**
  * @constructor
  * @extends {WebInspector.PanelWithSidebar}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.SecurityPanel = function()
 {
     WebInspector.PanelWithSidebar.call(this, "security");
 
     this._mainView = new WebInspector.SecurityMainView(this);
 
     this._sidebarMainViewElement = new WebInspector.SecurityPanelSidebarTreeElement(WebInspector.UIString("Overview"), this._setVisibleView.bind(this, this._mainView), "security-main-view-sidebar-tree-item", "lock-icon");
     this._sidebarTree = new WebInspector.SecurityPanelSidebarTree(this._sidebarMainViewElement, this.showOrigin.bind(this));
     this.panelSidebarElement().appendChild(this._sidebarTree.element);
 
     /** @type {!Map<!NetworkAgent.LoaderId, !WebInspector.NetworkRequest>} */
     this._lastResponseReceivedForLoaderId = new Map();
 
     /** @type {!Map<!WebInspector.SecurityPanel.Origin, !WebInspector.SecurityPanel.OriginState>} */
     this._origins = new Map();
 
     /** @type {!Map<!WebInspector.NetworkLogView.MixedContentFilterValues, number>} */
     this._filterRequestCounts = new Map();
 
+    /** @type {!Map<!WebInspector.Target, !Array<!WebInspector.EventTarget.EventDescriptor>>}*/
+    this._eventListeners = new Map();
     WebInspector.targetManager.observeTargets(this, WebInspector.Target.Capability.Network);
 }
 
 /** @typedef {string} */
 WebInspector.SecurityPanel.Origin;
 
 /**
  * @typedef {Object}
  * @property {!SecurityAgent.SecurityState} securityState - Current security state of the origin.
  * @property {?NetworkAgent.SecurityDetails} securityDetails - Security details of the origin, if available.
@@ skipping 211 matching lines @@
 
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetAdded: function(target)
     {
         if (this._target)
             return;
 
-        this._target = target;
-
-        var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(this._target);
+        var listeners = [];
+        var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(target);
         if (resourceTreeModel) {
-            resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.MainFrameNavigated, this._onMainFrameNavigated, this);
-            resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.InterstitialShown, this._onInterstitialShown, this);
-            resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.InterstitialHidden, this._onInterstitialHidden, this);
+            listeners = listeners.concat([
+                resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.MainFrameNavigated, this._onMainFrameNavigated, this),
+                resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.InterstitialShown, this._onInterstitialShown, this),
+                resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.Events.InterstitialHidden, this._onInterstitialHidden, this),
+            ]);
         }
 
         var networkManager = WebInspector.NetworkManager.fromTarget(target);
-        networkManager.addEventListener(WebInspector.NetworkManager.Events.ResponseReceived, this._onResponseReceived, this);
-        networkManager.addEventListener(WebInspector.NetworkManager.Events.RequestFinished, this._onRequestFinished, this);
+        if (networkManager) {
+            listeners = listeners.concat([
+                networkManager.addEventListener(WebInspector.NetworkManager.Events.ResponseReceived, this._onResponseReceived, this),
+                networkManager.addEventListener(WebInspector.NetworkManager.Events.RequestFinished, this._onRequestFinished, this),
+            ]);
+        }
 
         var securityModel = WebInspector.SecurityModel.fromTarget(target);
-        securityModel.addEventListener(WebInspector.SecurityModel.Events.SecurityStateChanged, this._onSecurityStateChanged, this);
+        if (securityModel) {
+            listeners = listeners.concat([
+                securityModel.addEventListener(WebInspector.SecurityModel.Events.SecurityStateChanged, this._onSecurityStateChanged, this)
+            ]);
+        }
+
+        this._target = target;
+        this._eventListeners.set(target, listeners);
     },
 
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetRemoved: function(target)
     {
+        if (this._target !== target)
+            return;
+
+        delete this._target;
+
+        WebInspector.EventTarget.removeEventListeners(this._eventListeners.get(target));
+        this._eventListeners.delete(target);
     },
 
     /**
      * @param {!WebInspector.Event} event
      */
     _onMainFrameNavigated: function(event)
     {
         var frame = /** type {!PageAgent.Frame}*/ (event.data);
         var request = this._lastResponseReceivedForLoaderId.get(frame.loaderId);
 
@@ skipping 749 matching lines @@
         row.createChild("div").textContent = key;
 
         var valueDiv = row.createChild("div");
         if (typeof value === "string") {
             valueDiv.textContent = value;
         } else {
             valueDiv.appendChild(value);
         }
     }
 }