Commits
Dianne Hackborn authored b66ad57ca07
Fix issue #3387676 com.android.browser: java.lang.NullPointerException...
Unable to destroy activity {com.android.browser/com.android.browser.BrowserActivity}:
java.lang.NullPointerException at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:2809)
Add a bunch of guards to not call on to the window callback after the
window is destroyed.
Change-Id: I66ca0705f421bafdfe953d03654c8f78d9e68249