[Payment Request] Delete legacy mode for canMakePayment.

This patch cleans up dead code now that hasEnrolledInstrument() has
been shipped in M74.

Bug: 915907
Change-Id: If7ca8c86b8464a608fc503177239ac9acbf6334f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1753032
Reviewed-by: John Abd-El-Malek <[email protected]>
Reviewed-by: Daniel Cheng <[email protected]>
Reviewed-by: Rouslan Solomakhin <[email protected]>
Commit-Queue: Danyao Wang <[email protected]>
Cr-Commit-Position: refs/heads/master@{#687487}
diff --git a/components/payments/content/payment_request.h b/components/payments/content/payment_request.h
index 26b532d..7c329a5 100644
--- a/components/payments/content/payment_request.h
+++ b/components/payments/content/payment_request.h
@@ -78,7 +78,7 @@
   void NoUpdatedPaymentDetails() override;
   void Abort() override;
   void Complete(mojom::PaymentComplete result) override;
-  void CanMakePayment(bool legacy_mode) override;
+  void CanMakePayment() override;
   void HasEnrolledInstrument(bool per_method_quota) override;
 
   // PaymentHandlerHost::Delegate
@@ -152,9 +152,8 @@
   // the first one being the most precise.
   void RecordFirstAbortReason(JourneyLogger::AbortReason completion_status);
 
-  // The callback for PaymentRequestState::CanMakePayment. Checks for query
-  // quota and may send QUERY_QUOTA_EXCEEDED.
-  void CanMakePaymentCallback(bool legacy_mode, bool can_make_payment);
+  // The callback for PaymentRequestState::CanMakePayment.
+  void CanMakePaymentCallback(bool can_make_payment);
 
   // The callback for PaymentRequestState::HasEnrolledInstrument. Checks for
   // query quota and may send QUERY_QUOTA_EXCEEDED.