[DevTools] Make resource tree model optional

third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js

Index: third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
index 49694b80b991562d55433cc87d1adecc8054b55f..5957c89f203a811c002dbbea6396a51f4c790b4d 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
@@ -193,11 +193,16 @@ WebInspector.ConsoleView.prototype = {
     _initConsoleMessages: function()
     {
         var mainTarget = WebInspector.targetManager.mainTarget();
-        if (!mainTarget || !mainTarget.resourceTreeModel.cachedResourcesLoaded()) {
+        var cachedResources = false;
+        if (mainTarget) {
+            var resourceTreeModel = WebInspector.ResourceTreeModel.fromTarget(mainTarget);

[pfeldman, 2016/07/13 23:55:57]

same

[eostroukhov-old, 2016/07/20 23:46:15]

Acknowledged.

+            cachedResources = resourceTreeModel && resourceTreeModel.cachedResourcesLoaded();
+        }
+        if (cachedResources) {
+            this._fetchMultitargetMessages();
+        } else {
             WebInspector.targetManager.addModelListener(WebInspector.ResourceTreeModel, WebInspector.ResourceTreeModel.EventTypes.CachedResourcesLoaded, this._onResourceTreeModelLoaded, this);
-            return;
         }
-        this._fetchMultitargetMessages();
     },
 
     /**