fix(FEC-12596): Related plugin doesn't load because of an exception (#…

…667)

Rename fake-event-target logger to not conflict with children.

Resolves FEC-12596.

src/event/fake-event-target.js

@@ -15,7 +15,7 @@ import getLogger from '../utils/logger';
 class FakeEventTarget {
   _listeners: MultiMap<string, (event: FakeEvent) => boolean | void>;
   dispatchTarget: FakeEventTarget;
-  logger: any;
+  __logger: any;
 
   constructor() {
     /**
@@ -28,7 +28,7 @@ class FakeEventTarget {
      * @type {FakeEventTarget}
      */
     this.dispatchTarget = this;
-    this.logger = getLogger('FakeEventTarget');
+    this.__logger = getLogger('FakeEventTarget');
   }
 
   /**
@@ -98,7 +98,7 @@ class FakeEventTarget {
         // Exceptions during event handlers should not affect the caller,
         // but should appear on the console as uncaught, according to MDN:
         // http://goo.gl/N6Ff27
-        this.logger.error(`Error occurred when handling event: ${event.type}.`, exception);
+        this.__logger.error(`Error occurred when handling event: ${event.type}.`, exception);
       }
 
       if (event.stopped) {