Reland "Move most of FrameLoader::CheckCompleted() to Document"

third_party/WebKit/Source/core/html/imports/HTMLImportTreeRoot.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 "core/html/imports/HTMLImportTreeRoot.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/StyleEngine.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/imports/HTMLImportChild.h"
@@ skipping 33 matching lines @@
          document_->GetStyleEngine().HaveScriptBlockingStylesheetsLoaded();
 }
 
 void HTMLImportTreeRoot::StateWillChange() {
   ScheduleRecalcState();
 }
 
 void HTMLImportTreeRoot::StateDidChange() {
   HTMLImport::StateDidChange();
 
-  if (!GetState().IsReady())
-    return;
-  if (LocalFrame* frame = document_->GetFrame())
-    frame->Loader().CheckCompleted();
+  if (GetState().IsReady())
+    document_->CheckCompleted();
 }
 
 void HTMLImportTreeRoot::ScheduleRecalcState() {
   DCHECK(document_);
   if (recalc_timer_.IsActive() || !document_->IsActive())
     return;
   recalc_timer_.StartOneShot(0, BLINK_FROM_HERE);
 }
 
 HTMLImportChild* HTMLImportTreeRoot::Add(HTMLImportChild* child) {
@@ skipping 15 matching lines @@
   HTMLImport::RecalcTreeState(this);
 }
 
 DEFINE_TRACE(HTMLImportTreeRoot) {
   visitor->Trace(document_);
   visitor->Trace(imports_);
   HTMLImport::Trace(visitor);
 }
 
 }  // namespace blink