[DO NOT SUBMIT] Support allowpaymentrequest with out-of-process iframes

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 0e262109eded96a0be467037d0f77d7f64d48c0d..95a48b3223cf17c088e4c0ed8ad0fcabe7e3d13e 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequest.cpp
@@ -482,12 +482,8 @@ bool allowedToUsePaymentRequest(const Frame* frame) {
   // is an iframe element with an |allowpaymentrequest| attribute specified, and
   // whose node document is allowed to use the feature indicated by
   // |allowpaymentrequest|, then return true.
-  HTMLFrameOwnerElement* ownerElement = toHTMLFrameOwnerElement(frame->owner());
-  if (ownerElement && isHTMLIFrameElement(ownerElement)) {
-    HTMLIFrameElement* iframe = toHTMLIFrameElement(ownerElement);
-    if (HTMLIFrameElementPayments::from(*iframe).allowPaymentRequest(*iframe))
-      return allowedToUsePaymentRequest(frame->tree().parent());
-  }
+  if (frame->owner() && frame->owner()->allowPaymentRequest())
+    return allowedToUsePaymentRequest(frame->tree().parent());
 
   // 4. Return false.
   return false;