[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..6fd9e7597a8a8335c936e346a4994ed947b16f44 100644
--- a/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
+++ b/ios/chrome/browser/geolocation/omnibox_geolocation_authorization_alert.mm
@@ -6,27 +6,24 @@
 
 #import <UIKit/UIKit.h>
 
-#import "base/ios/weak_nsobject.h"
 #include "base/logging.h"
-#include "base/mac/scoped_nsobject.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/grit/ios_chromium_strings.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
-@interface OmniboxGeolocationAuthorizationAlert () {
-  base::WeakNSProtocol<id<OmniboxGeolocationAuthorizationAlertDelegate>>
-      delegate_;
-}
-@end
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
 
 @implementation OmniboxGeolocationAuthorizationAlert
+@synthesize delegate = _delegate;
 
 - (instancetype)initWithDelegate:
         (id<OmniboxGeolocationAuthorizationAlertDelegate>)delegate {
   self = [super init];
   if (self) {
-    delegate_.reset(delegate);
+    _delegate = delegate;
   }
   return self;
 }
@@ -35,14 +32,6 @@
   return [self initWithDelegate:nil];
 }
 
-- (id<OmniboxGeolocationAuthorizationAlertDelegate>)delegate {
-  return delegate_.get();
-}
-
-- (void)setDelegate:(id<OmniboxGeolocationAuthorizationAlertDelegate>)delegate {
-  delegate_.reset(delegate);
-}
-
 - (void)showAuthorizationAlert {
   NSString* message =
       l10n_util::GetNSString(IDS_IOS_LOCATION_AUTHORIZATION_ALERT);
@@ -51,7 +40,7 @@
 
   // Use a UIAlertController to match the style of the iOS system location
   // alert.
-  base::WeakNSObject<OmniboxGeolocationAuthorizationAlert> weakSelf(self);
+  __weak OmniboxGeolocationAuthorizationAlert* weakSelf = self;
   UIAlertController* alert =
       [UIAlertController alertControllerWithTitle:nil
                                           message:message
@@ -61,8 +50,7 @@
       actionWithTitle:ok
                 style:UIAlertActionStyleDefault
               handler:^(UIAlertAction* action) {
-                base::scoped_nsobject<OmniboxGeolocationAuthorizationAlert>
-                    strongSelf([weakSelf retain]);
+                OmniboxGeolocationAuthorizationAlert* strongSelf = weakSelf;
                 if (strongSelf) {
                   [[strongSelf delegate]
                       authorizationAlertDidAuthorize:strongSelf];
@@ -74,8 +62,7 @@
       actionWithTitle:cancel
                 style:UIAlertActionStyleCancel
               handler:^(UIAlertAction* action) {
-                base::scoped_nsobject<OmniboxGeolocationAuthorizationAlert>
-                    strongSelf([weakSelf retain]);
+                OmniboxGeolocationAuthorizationAlert* strongSelf = weakSelf;
                 if (strongSelf) {
                   [[strongSelf delegate]
                       authorizationAlertDidCancel:strongSelf];