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

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

Index: third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js b/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
index a96834de5db7e5efed5a21243c0c2666b587398a..45c96b66757af77141fad489de348174817785a3 100644
--- a/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
@@ -26,6 +26,8 @@ WebInspector.SecurityPanel = function()
     /** @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);
 }
 
@@ -257,21 +259,33 @@ WebInspector.SecurityPanel.prototype = {
         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);
     },
 
     /**
@@ -280,6 +294,13 @@ WebInspector.SecurityPanel.prototype = {
      */
     targetRemoved: function(target)
     {
+        if (this._target !== target)
+            return;
+
+        delete this._target;
+
+        WebInspector.EventTarget.removeEventListeners(this._eventListeners.get(target));
+        this._eventListeners.delete(target);
     },
 
     /**