Adding support for phone and email.

third_party/WebKit/Source/modules/payments/PaymentRequest.cpp

Index: third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
index d5b31b83a475329c0203d2d99af7cb3838baedd4..3fcd92b17082efa4fa7b4da7b6a9dc9cad2a44e7 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
@@ -451,6 +451,18 @@ void PaymentRequest::OnPaymentResponse(mojom::blink::PaymentResponsePtr response
         }
     }
 
+    if (m_options.requestPayerEmail() && response->payer_email.isEmpty()) {
+        m_showResolver->reject(DOMException::create(SyntaxError));
+        clearResolversAndCloseMojoConnection();
+        return;
+    }
+
+    if (m_options.requestPayerPhone() && response->payer_phone.isEmpty()) {
+        m_showResolver->reject(DOMException::create(SyntaxError));
+        clearResolversAndCloseMojoConnection();
+        return;
+    }
+
     m_showResolver->resolve(new PaymentResponse(std::move(response), this));
 
     // Do not close the mojo connection here. The merchant website should call