[Async][WIP] Call FrameLoader::checkCompleted() asynchronously to avoid sync body.onload()

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 eb62136621830b09e8de27f34255fa9731f9dfa7..afead77b7eac03fdde4b9659e400e7442722aba3 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -964,6 +964,13 @@ void WebLocalFrameImpl::stopLoading()
     frame()->loader().stopAllLoaders();
 }
 
+void WebLocalFrameImpl::stopLoadingCheckCompletedNow()
+{
+    if (!frame())
+        return;
+    frame()->loader().checkCompletedNow(-1);
+}
+
 WebDataSource* WebLocalFrameImpl::provisionalDataSource() const
 {
     ASSERT(frame());