Prevent usage of web payments API over insecure HTTPS.

components/payments/content/payment_request.h

Index: components/payments/content/payment_request.h
diff --git a/components/payments/content/payment_request.h b/components/payments/content/payment_request.h
index d609c83d996dabb93d9fdcbbb6cb0693bdfad521..9d0ff09c0141bc370f93e4257113535d841ee5c1 100644
--- a/components/payments/content/payment_request.h
+++ b/components/payments/content/payment_request.h
@@ -37,6 +37,7 @@ class PaymentRequest : public mojom::PaymentRequest,
   class ObserverForTest {
    public:
     virtual void OnCanMakePaymentCalled() = 0;
+    virtual void OnNotSupportedError() = 0;
 
    protected:
     virtual ~ObserverForTest() {}
@@ -62,7 +63,6 @@ class PaymentRequest : public mojom::PaymentRequest,
 
   // PaymentRequestSpec::Observer:
   void OnSpecUpdated() override {}
-  void OnInvalidSpecProvided() override;
 
   // PaymentRequestState::Delegate:
   void OnPaymentResponseAvailable(mojom::PaymentResponsePtr response) override;