Change target+selector for block in InfoBarView

ios/chrome/browser/passwords/update_password_infobar_controller.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/passwords/update_password_infobar_controller.h"
 
 #import "base/mac/objc_property_releaser.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "ios/chrome/browser/infobars/confirm_infobar_controller+protected.h"
@@ skipping 44 matching lines @@
   // link.
   if (_delegate->ShowMultipleAccounts()) {
     base::string16 usernameLink = base::SysNSStringToUTF16([[view class]
         stringAsLink:base::SysUTF16ToNSString(_delegate->selected_account())
                  tag:kAccountTag]);
     base::ReplaceFirstSubstringAfterOffset(
         &messageText, 0, _delegate->selected_account(), usernameLink);
   }
 
   [view addLabel:base::SysUTF16ToNSString(messageText)
-          target:self
-          action:@selector(infobarLinkDidPress:)];
+          action:^(NSUInteger tag) {
+            [self infobarLinkDidPress:tag];
+          }];
 }
 
-- (void)infobarLinkDidPress:(NSNumber*)tag {
+- (void)infobarLinkDidPress:(NSUInteger)tag {
   [super infobarLinkDidPress:tag];
-  if ([tag unsignedIntegerValue] != kAccountTag)
+  if (tag != kAccountTag)
     return;
 
   UIViewController* baseViewController =
       [[UIApplication sharedApplication] keyWindow].rootViewController;
   self.selectorCoordinator = [[[SelectorCoordinator alloc]
       initWithBaseViewController:baseViewController] autorelease];
   self.selectorCoordinator.delegate = self;
   self.selectorCoordinator.options =
       [NSOrderedSet orderedSetWithArray:_delegate->GetAccounts()];
   self.selectorCoordinator.defaultOption =
       base::SysUTF16ToNSString(_delegate->selected_account());
   [self.selectorCoordinator start];
 }
 
 #pragma mark SelectorCoordinatorDelegate
 
 - (void)selectorCoordinator:(SelectorCoordinator*)coordinator
     didCompleteWithSelection:(NSString*)selection {
   _delegate->set_selected_account(base::SysNSStringToUTF16(selection));
   [self updateInfobarLabel:self.view];
 }
 
 @end