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

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

Index: third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
index d564e57e3482b3d804ab031337dd41c3daabbf14..786b9880de652ce818b39b7409f55f452f690b48 100644
--- a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
@@ -280,12 +280,16 @@ void HTMLLinkElement::notifyLoadedSheetAndAllCriticalSubresources(
 }
 
 void HTMLLinkElement::dispatchPendingEvent(
-    std::unique_ptr<IncrementLoadEventDelayCount>) {
+    std::unique_ptr<IncrementLoadEventDelayCount> count) {
   DCHECK(m_link);
   if (m_link->hasLoaded())
     linkLoaded();
   else
     linkLoadingErrored();
+
+  // Checks Document's load event synchronously here for performance.
+  // This is safe because dispatchPendingEvent() is called asynchronously.
+  count->clearAndCheckLoadEvent();
 }
 
 void HTMLLinkElement::scheduleEvent() {