Remove unused [RaisesException] for createNodeIterator() and createTreeWalker()

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1444 matching lines @@
 Settings* Document::settings() const
 {
     return m_frame ? m_frame->settings() : 0;
 }
 
 PassRefPtrWillBeRawPtr<Range> Document::createRange()
 {
     return Range::create(*this);
 }
 
-PassRefPtrWillBeRawPtr<NodeIterator> Document::createNodeIterator(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<NodeIterator> Document::createNodeIterator(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter)
 {
-    // FIXME: It might be a good idea to emit a warning if |whatToShow| contains a bit that is not defined in
-    // NodeFilter.
+    ASSERT(root);
     return NodeIterator::create(root, whatToShow, filter);
 }
 
-PassRefPtrWillBeRawPtr<TreeWalker> Document::createTreeWalker(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<TreeWalker> Document::createTreeWalker(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter)
 {
+    ASSERT(root);
     return TreeWalker::create(root, whatToShow, filter);
 }
 
 bool Document::needsLayoutTreeUpdate() const
 {
     if (!isActive() || !view())
         return false;
     if (needsFullLayoutTreeUpdate())
         return true;
     if (childNeedsStyleRecalc())
@@ skipping 4344 matching lines @@
 #ifndef NDEBUG
 using namespace blink;
 void showLiveDocumentInstances()
 {
     Document::WeakDocumentSet& set = Document::liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (Document* document : set)
         fprintf(stderr, "- Document %p URL: %s\n", document, document->url().string().utf8().data());
 }
 #endif