Change type of LaunchDataEntry.entry from File to FileEntry

entry property of LaunchDataItem is actually a FileEntry, not a File. See https://developer.chrome.com/apps/app_runtime#event-onLaunched

chrome/chrome-app.d.ts

@@ -18,7 +18,7 @@ declare module chrome.app.runtime {
     }
 
     interface LaunchDataItem {
-        entry: File;
+        entry: FileEntry;
         type: string;
     }
 
@@ -367,4 +367,4 @@ declare module chrome.sockets.tcpServer {
 
     var onAccept: Event<AcceptEventArgs>;
     var onAcceptError: Event<AcceptErrorEventArgs>;
-}
+}