[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 1a77e9750f7711779fb9fda5e39656600c8e6b52..1561ef3fe56a999f9ea3764154fe0c205af36df2 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
@@ -187,11 +187,16 @@ 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);
+            cachedResources = resourceTreeModel && resourceTreeModel.cachedResourcesLoaded();

[dgozman, 2016/08/19 20:23:37]

cachedResources should be true when there is no main target or there is no
resource tree model.

[eostroukhov, 2016/08/20 01:22:30]

Done.

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