Bug 1155553 - Fixes animationinspector regression with actor-capabilities detection; r=bgrins

--HG--
extra : rebase_source : 31a4ed8dc5ed85a11c95e4a895955d2ac5c19b43

browser/devtools/animationinspector/animation-controller.js

@@ -102,6 +102,7 @@ let AnimationsController = {
     this.onAnimationMutations = this.onAnimationMutations.bind(this);
 
     let target = gToolbox.target;
+    this.animationsFront = new AnimationsFront(target.client, target.form);
 
     // Expose actor capabilities.
     this.hasToggleAll = yield target.actorHasMethod("animations", "toggleAll");
@@ -117,7 +118,6 @@ let AnimationsController = {
       return;
     }
 
-    this.animationsFront = new AnimationsFront(target.client, target.form);
     this.startListeners();
     yield this.onNewNodeFront();