RecentlyClosedCallback   83 chrome/android/java/src/org/chromium/chrome/browser/RecentlyClosedBridge.java     public void setRecentlyClosedCallback(RecentlyClosedCallback callback) {
RecentlyClosedCallback  136 chrome/android/java/src/org/chromium/chrome/browser/RecentlyClosedBridge.java             long nativeRecentlyClosedTabsBridge, RecentlyClosedCallback callback);