Merge pull request #8082 from RReverser/patch-3

Strengthen chrome.events.Event definition

sinon-chrome/sinon-chrome.d.ts

@@ -31,7 +31,7 @@ declare module SinonChrome {
 }
 
 declare module SinonChrome.events {
-    interface Event extends chrome.events.Event {
+    interface Event extends chrome.events.Event<Function> {
         trigger(...args: any[]): void;
         triggerAsync(...args: any[]): void;