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

third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "web/WebRemoteFrameImpl.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/LayoutObject.h"
@@ skipping 701 matching lines @@
 {
     frame()->setIsLoading(true);
 }
 
 void WebRemoteFrameImpl::didStopLoading()
 {
     frame()->setIsLoading(false);
     if (parent() && parent()->isWebLocalFrame()) {
         WebLocalFrameImpl* parentFrame =
             toWebLocalFrameImpl(parent()->toWebLocalFrame());
-        parentFrame->frame()->loader().checkCompleted();
+        parentFrame->frame()->loader().checkCompleted(9);
     }
 }
 
 bool WebRemoteFrameImpl::isIgnoredForHitTest() const
 {
     HTMLFrameOwnerElement* owner = frame()->deprecatedLocalOwner();
     if (!owner || !owner->layoutObject())
         return false;
     return owner->layoutObject()->style()->pointerEvents() == PE_NONE;
 }
 
 WebRemoteFrameImpl::WebRemoteFrameImpl(WebTreeScopeType scope, WebRemoteFrameClient* client)
     : WebRemoteFrame(scope)
     , m_frameClient(RemoteFrameClientImpl::create(this))
     , m_client(client)
 #if ENABLE(OILPAN)
     , m_selfKeepAlive(this)
 #endif
 {
 }
 
 } // namespace blink