[ObjC ARC] Converts ios/chrome/browser/geolocation:geolocation to ARC.Automatically generated ARC…

ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm

Index: ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
diff --git a/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm b/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
index 0ce6d64ffc43e6a03c60bca773ba8a0f70314678..cfc9e4c0b8c6d6d41fd47781c898c5dc6ad3f696 100644
--- a/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
+++ b/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
@@ -14,6 +14,10 @@
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
 @interface OmniboxGeolocationAuthorizationAlert () {
   base::WeakNSProtocol<id<OmniboxGeolocationAuthorizationAlertDelegate>>
       delegate_;
@@ -62,7 +66,7 @@
                 style:UIAlertActionStyleDefault
               handler:^(UIAlertAction* action) {
                 base::scoped_nsobject<OmniboxGeolocationAuthorizationAlert>
-                    strongSelf([weakSelf retain]);
+                    strongSelf(weakSelf);
                 if (strongSelf) {
                   [[strongSelf delegate]
                       authorizationAlertDidAuthorize:strongSelf];
@@ -75,7 +79,7 @@
                 style:UIAlertActionStyleCancel
               handler:^(UIAlertAction* action) {
                 base::scoped_nsobject<OmniboxGeolocationAuthorizationAlert>
-                    strongSelf([weakSelf retain]);
+                    strongSelf(weakSelf);
                 if (strongSelf) {
                   [[strongSelf delegate]
                       authorizationAlertDidCancel:strongSelf];