Fix incorrect delegate call in CWVAutofillController

Update password was calling the save password delegate method.
Accidentally introduced in:
https://chromium-review.googlesource.com/c/chromium/src/+/2315252

Change-Id: I5779831c37aa24f383940abbfb534e1b618ec9f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2439018
Auto-Submit: John Wu <jzw@chromium.org>
Commit-Queue: Hiroshi Ichikawa <ichikawa@chromium.org>
Reviewed-by: Hiroshi Ichikawa <ichikawa@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811920}

ios/web_view/internal/autofill/cwv_autofill_controller.mm

@@ -629,18 +629,18 @@ showUnmaskPromptForCard:(const autofill::CreditCard&)creditCard
   CWVPassword* password =
       [[CWVPassword alloc] initWithPasswordForm:credentials];
 
-  [self.delegate
-               autofillController:self
-      decideSavePolicyForPassword:password
-                  decisionHandler:^(CWVPasswordUserDecision decision) {
-                    // Marking a password update as "never" makes no sense as
-                    // the password has already been saved.
-                    DCHECK_NE(decision, CWVPasswordUserDecisionNever)
-                        << "A password update can only be accepted or ignored.";
-                    if (decision == CWVPasswordUserDecisionYes) {
-                      formPtr->Update(credentials);
-                    }
-                  }];
+  [self.delegate autofillController:self
+      decideUpdatePolicyForPassword:password
+                    decisionHandler:^(CWVPasswordUserDecision decision) {
+                      // Marking a password update as "never" makes no sense as
+                      // the password has already been saved.
+                      DCHECK_NE(decision, CWVPasswordUserDecisionNever)
+                          << "A password update can only be accepted or "
+                             "ignored.";
+                      if (decision == CWVPasswordUserDecisionYes) {
+                        formPtr->Update(credentials);
+                      }
+                    }];
 }
 
 - (void)removePasswordInfoBarManualFallback:(BOOL)manual {