Add a way to cancel deferred navigations in NavigationHandle

chrome/browser/apps/app_url_redirector.cc

Index: chrome/browser/apps/app_url_redirector.cc
diff --git a/chrome/browser/apps/app_url_redirector.cc b/chrome/browser/apps/app_url_redirector.cc
index 63962933dc61a3eca1ccac913285d6089856cc91..cf1915a45316a96c741c4b29c39a1febb600ba81 100644
--- a/chrome/browser/apps/app_url_redirector.cc
+++ b/chrome/browser/apps/app_url_redirector.cc
@@ -113,7 +113,8 @@ AppUrlRedirector::MaybeCreateThrottleFor(content::NavigationHandle* handle) {
           new navigation_interception::InterceptNavigationThrottle(
               handle,
               base::Bind(&LaunchAppWithUrl,
-                         scoped_refptr<const Extension>(*iter), handler->id)));
+                         scoped_refptr<const Extension>(*iter), handler->id),
+              true));
     }
   }