FrameLoader: remove a TODO and add a comment

third_party/WebKit/Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
@@ skipping 104 matching lines @@
          type == FrameLoadTypeInitialHistoryLoad;
 }
 
 bool isReloadLoadType(FrameLoadType type) {
   return type == FrameLoadTypeReload ||
          type == FrameLoadTypeReloadMainResource ||
          type == FrameLoadTypeReloadBypassingCache;
 }
 
 static bool needsHistoryItemRestore(FrameLoadType type) {
-  // TODO(toyoshim): Shall we return true for FrameLoadTypeInitialHistoryLoad
-  // too?
+  // FrameLoadtypeInitialHistoryLoad is intentionally excluded.
   return type == FrameLoadTypeBackForward || isReloadLoadType(type);
 }
 
 // static
 ResourceRequest FrameLoader::resourceRequestFromHistoryItem(
     HistoryItem* item,
     WebCachePolicy cachePolicy) {
   RefPtr<EncodedFormData> formData = item->formData();
   ResourceRequest request(item->url());
   request.setHTTPReferrer(item->referrer());
@@ skipping 1822 matching lines @@
                          m_documentLoader ? m_documentLoader->url() : String());
   return tracedValue;
 }
 
 inline void FrameLoader::takeObjectSnapshot() const {
   TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID("loading", "FrameLoader", this,
                                       toTracedValue());
 }
 
 }  // namespace blink