[Reland #1] Don't create layout objects for children of display-none iframes.

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 7a7841640270a41d56da11201296ccc46917fdb7..cbfe093f8fcac33ff379c680efaf6c176935d267 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -1637,8 +1637,9 @@ LocalFrame* WebLocalFrameImpl::createChildFrame(
       ownerElement->browsingContextContainerName(),
       ownerElement->scrollingMode(), ownerElement->marginWidth(),
       ownerElement->marginHeight(), ownerElement->allowFullscreen(),
-      ownerElement->allowPaymentRequest(), ownerElement->csp(),
-      ownerElement->delegatedPermissions(), ownerElement->allowedFeatures());
+      ownerElement->allowPaymentRequest(), ownerElement->isDisplayNone(),
+      ownerElement->csp(), ownerElement->delegatedPermissions(),
+      ownerElement->allowedFeatures());
   // FIXME: Using subResourceAttributeName as fallback is not a perfect
   // solution. subResourceAttributeName returns just one attribute name. The
   // element might not have the attribute, and there might be other attributes