Call checkCompleted() synchronously in HTMLLinkElement::dispatchPendingEvent()

third_party/WebKit/Source/core/html/HTMLLinkElement.h

Index: third_party/WebKit/Source/core/html/HTMLLinkElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLLinkElement.h b/third_party/WebKit/Source/core/html/HTMLLinkElement.h
index 37eedb725436ad022f45647e26130c98f2ba00eb..c7cefadced6213577485ed82f76601587d4265f3 100644
--- a/third_party/WebKit/Source/core/html/HTMLLinkElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLLinkElement.h
@@ -88,7 +88,6 @@ class CORE_EXPORT HTMLLinkElement final : public HTMLElement,
 
   DOMTokenList* sizes() const;
 
-  void dispatchPendingEvent(std::unique_ptr<IncrementLoadEventDelayCount>);
   void scheduleEvent();
 
   // From LinkLoaderClient
@@ -120,6 +119,10 @@ class CORE_EXPORT HTMLLinkElement final : public HTMLElement,
   void process();
   static void processCallback(Node*);
 
+  // Always call this asynchronously because this can cause synchronous
+  // Document load event and JavaScript execution.
+  void dispatchPendingEvent(std::unique_ptr<IncrementLoadEventDelayCount>);
+
   // From Node and subclassses
   void parseAttribute(const AttributeModificationParams&) override;
   InsertionNotificationRequest insertedInto(ContainerNode*) override;