Add [TypeChecking=Interface] on various methods in Document.idl

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 924 matching lines @@
 }
 
 PassRefPtrWillBeRawPtr<Node> Document::importNode(Node* importedNode, ExceptionState& ec)
 {
     UseCounter::countDeprecation(this, UseCounter::DocumentImportNodeOptionalArgument);
     return importNode(importedNode, true, ec);
 }
 
 PassRefPtrWillBeRawPtr<Node> Document::importNode(Node* importedNode, bool deep, ExceptionState& exceptionState)
 {
-    if (!importedNode) {
-        exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
-        return nullptr;
-    }
-
     switch (importedNode->nodeType()) {
     case TEXT_NODE:
         return createTextNode(importedNode->nodeValue());
     case CDATA_SECTION_NODE:
         return CDATASection::create(*this, importedNode->nodeValue());
     case PROCESSING_INSTRUCTION_NODE:
         return createProcessingInstruction(importedNode->nodeName(), importedNode->nodeValue(), exceptionState);
     case COMMENT_NODE:
         return createComment(importedNode->nodeValue());
     case DOCUMENT_TYPE_NODE: {
@@ skipping 42 matching lines @@
         exceptionState.throwDOMException(NotSupportedError, "The node provided is a document, which may not be imported.");
         return nullptr;
     }
 
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 PassRefPtrWillBeRawPtr<Node> Document::adoptNode(PassRefPtrWillBeRawPtr<Node> source, ExceptionState& exceptionState)
 {
-    if (!source) {
-        exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
-        return nullptr;
-    }
-
     EventQueueScope scope;
 
     switch (source->nodeType()) {
     case DOCUMENT_NODE:
     case DOCUMENT_TYPE_NODE:
         exceptionState.throwDOMException(NotSupportedError, "The node provided is of type '" + source->nodeName() + "', which may not be adopted.");
         return nullptr;
     case ATTRIBUTE_NODE: {
         Attr* attr = toAttr(source.get());
         if (RefPtrWillBeRawPtr<Element> ownerElement = attr->ownerElement())
@@ skipping 510 matching lines @@
     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)
 {
-    // FIXME: Probably this should be handled within the bindings layer and Type Error should be thrown.
-    if (!root) {
-        exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
-        return nullptr;
-    }
     // FIXME: It might be a good idea to emit a warning if |whatToShow| contains a bit that is not defined in
     // NodeFilter.
     return NodeIterator::create(root, whatToShow, filter);
 }
 
 PassRefPtrWillBeRawPtr<TreeWalker> Document::createTreeWalker(Node* root, unsigned whatToShow, PassRefPtrWillBeRawPtr<NodeFilter> filter, ExceptionState& exceptionState)
 {
-    // FIXME: Probably this should be handled within the bindings layer and Type Error should be thrown.
-    if (!root) {
-        exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
-        return nullptr;
-    }
     return TreeWalker::create(root, whatToShow, filter);
 }
 
 bool Document::needsRenderTreeUpdate() const
 {
     if (!isActive() || !view())
         return false;
     if (needsFullRenderTreeUpdate())
         return true;
     if (childNeedsStyleRecalc())
@@ skipping 4262 matching lines @@
     visitor->trace(m_compositorPendingAnimations);
     visitor->trace(m_contextDocument);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore