Ignore blank origins in the Security panel.

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()
@@ skipping 106 matching lines @@
 
     /**
      * @param {!WebInspector.Event} event
      */
     _onResponseReceivedSecurityDetails: function(event)
     {
         var data = event.data;
         var origin = /** @type {string} */ (data.origin);
         var securityState = /** @type {!SecurityAgent.SecurityState} */ (data.securityState);
 
+        if (origin === "") {

[dgozman, 2015/09/03 20:12:18]

if (!origin)

+            // We don't handle resources like data: URIs yet. Most of them don't affect the lock icon, anyhow.
+            return;

[dgozman, 2015/09/03 20:12:18]

You should this on the model level, not on presentation level.

[lgarron, 2015/09/03 20:36:31]

Hmm, that feels like it goes against the advice I got on Tuesday (the model
should be thin).
But I guess it makes sense for the more complicated mechanics of network
requests, and the NetworkManager is currently where we do the imperfect origin
calculation. So I've gone ahead and moved it.

+        }
+
         if (this._origins.has(origin)) {
             var originState = this._origins.get(origin);
             var oldSecurityState = originState.securityState;
             originState.securityState = this._securityStateMin(oldSecurityState, securityState);
             if (oldSecurityState != originState.securityState) {
                 originState.sidebarElement.setSecurityState(securityState);
                 if (originState.originView)
                     originState.originView.setSecurityState(securityState);
             }
         } else {
@@ skipping 375 matching lines @@
 
         var valueDiv = row.createChild("div");
         if (value instanceof HTMLDivElement) {
             valueDiv.appendChild(value);
         } else {
             valueDiv.textContent = value;
         }
     }
 }