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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/199871">199871</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2016-04-21 23:19:41 -0700 (Thu, 21 Apr 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Drop [UsePointersEvenForNonNullableObjectArguments] from Document
https://bugs.webkit.org/show_bug.cgi?id=156881

Reviewed by Darin Adler.

LayoutTests/imported/w3c:

Rebaseline now that more checks are passing.

* web-platform-tests/dom/interfaces-expected.txt:
* web-platform-tests/html/dom/interfaces-expected.txt:

Source/WebCore:

Drop [UsePointersEvenForNonNullableObjectArguments] from Document. There
is no major Web-exposed behavior change but the type of the exception
being thrown when passing null or not enough parameters has changed for
some of the API (It is now always a TypeError as per the Web IDL
specification).

Tests: fast/dom/Document/adoptNode-null.html
       fast/dom/Document/importNode-null.html

* dom/ContainerNode.cpp:
(WebCore::ContainerNode::takeAllChildrenFrom):
(WebCore::ContainerNode::parserInsertBefore):
(WebCore::ContainerNode::parserAppendChild):
* dom/Document.cpp:
(WebCore::Document::importNode):
(WebCore::Document::adoptNode):
(WebCore::Document::createNodeIterator):
(WebCore::Document::createTreeWalker):
(WebCore::Document::setBodyOrFrameset):
(WebCore::Document::hasValidNamespaceForElements): Deleted.
(WebCore::Document::scheduleForcedStyleRecalc): Deleted.
(WebCore::Document::scheduleStyleRecalc): Deleted.
(WebCore::Document::unscheduleStyleRecalc): Deleted.
(WebCore::Document::hasPendingStyleRecalc): Deleted.
(WebCore::Document::hasPendingForcedStyleRecalc): Deleted.
(WebCore::Document::recalcStyle): Deleted.
(WebCore::Document::explicitClose): Deleted.
* dom/Document.h:
(WebCore::Document::importNode):
* dom/Document.idl:
* dom/NodeIterator.cpp:
(WebCore::NodeIterator::NodeIterator):
* dom/NodeIterator.h:
(WebCore::NodeIterator::create):

LayoutTests:

Add test cases for cases where the type of the exception being thrown
has changed.

* fast/dom/Document/adoptNode-null-expected.txt: Added.
* fast/dom/Document/adoptNode-null.html: Added.
* fast/dom/Document/importNode-null-expected.txt: Added.
* fast/dom/Document/importNode-null.html: Added.
* fast/dom/importNode-null-expected.txt: Removed.
* fast/dom/importNode-null.html: Removed.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsimportedw3cChangeLog">trunk/LayoutTests/imported/w3c/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsimportedw3cwebplatformtestsdominterfacesexpectedtxt">trunk/LayoutTests/imported/w3c/web-platform-tests/dom/interfaces-expected.txt</a></li>
<li><a href="#trunkLayoutTestsimportedw3cwebplatformtestshtmldominterfacesexpectedtxt">trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt</a></li>
<li><a href="#trunkLayoutTestsplatformiossimulatorimportedw3cwebplatformtestshtmldominterfacesexpectedtxt">trunk/LayoutTests/platform/ios-simulator/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomContainerNodecpp">trunk/Source/WebCore/dom/ContainerNode.cpp</a></li>
<li><a href="#trunkSourceWebCoredomDocumentcpp">trunk/Source/WebCore/dom/Document.cpp</a></li>
<li><a href="#trunkSourceWebCoredomDocumenth">trunk/Source/WebCore/dom/Document.h</a></li>
<li><a href="#trunkSourceWebCoredomDocumentidl">trunk/Source/WebCore/dom/Document.idl</a></li>
<li><a href="#trunkSourceWebCoredomNodeIteratorcpp">trunk/Source/WebCore/dom/NodeIterator.cpp</a></li>
<li><a href="#trunkSourceWebCoredomNodeIteratorh">trunk/Source/WebCore/dom/NodeIterator.h</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastdomDocumentadoptNodenullexpectedtxt">trunk/LayoutTests/fast/dom/Document/adoptNode-null-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastdomDocumentadoptNodenullhtml">trunk/LayoutTests/fast/dom/Document/adoptNode-null.html</a></li>
<li><a href="#trunkLayoutTestsfastdomDocumentimportNodenullexpectedtxt">trunk/LayoutTests/fast/dom/Document/importNode-null-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastdomDocumentimportNodenullhtml">trunk/LayoutTests/fast/dom/Document/importNode-null.html</a></li>
</ul>

<h3>Removed Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastdomimportNodenullexpectedtxt">trunk/LayoutTests/fast/dom/importNode-null-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastdomimportNodenullhtml">trunk/LayoutTests/fast/dom/importNode-null.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/ChangeLog        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -1,3 +1,20 @@
</span><ins>+2016-04-21  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Drop [UsePointersEvenForNonNullableObjectArguments] from Document
+        https://bugs.webkit.org/show_bug.cgi?id=156881
+
+        Reviewed by Darin Adler.
+
+        Add test cases for cases where the type of the exception being thrown
+        has changed.
+
+        * fast/dom/Document/adoptNode-null-expected.txt: Added.
+        * fast/dom/Document/adoptNode-null.html: Added.
+        * fast/dom/Document/importNode-null-expected.txt: Added.
+        * fast/dom/Document/importNode-null.html: Added.
+        * fast/dom/importNode-null-expected.txt: Removed.
+        * fast/dom/importNode-null.html: Removed.
+
</ins><span class="cx"> 2016-04-21  Dean Jackson  &lt;dino@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Backdrop Filter should not be visible if element has visibility:hidden
</span></span></pre></div>
<a id="trunkLayoutTestsfastdomDocumentadoptNodenullexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Document/adoptNode-null-expected.txt (0 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Document/adoptNode-null-expected.txt                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Document/adoptNode-null-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -0,0 +1,11 @@
</span><ins>+Tests that document.adoptNode(null) throws a TypeError
+
+On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
+
+
+PASS document.adoptNode(null) threw exception TypeError: Type error.
+PASS document.adoptNode() threw exception TypeError: Not enough arguments.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastdomDocumentadoptNodenullhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Document/adoptNode-null.html (0 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Document/adoptNode-null.html                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Document/adoptNode-null.html        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;body&gt;
+&lt;script src=&quot;../../../resources/js-test-pre.js&quot;&gt;&lt;/script&gt;
+&lt;script&gt;
+description(&quot;Tests that document.adoptNode(null) throws a TypeError&quot;);
+
+shouldThrow(&quot;document.adoptNode(null)&quot;, &quot;'TypeError: Type error'&quot;);
+shouldThrow(&quot;document.adoptNode()&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+&lt;/script&gt;
+&lt;script src=&quot;../../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkLayoutTestsfastdomDocumentimportNodenullexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Document/importNode-null-expected.txt (0 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Document/importNode-null-expected.txt                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Document/importNode-null-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -0,0 +1,11 @@
</span><ins>+Tests that document.importNode(null) throws a TypeError
+
+On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
+
+
+PASS document.importNode(null) threw exception TypeError: Type error.
+PASS document.importNode() threw exception TypeError: Not enough arguments.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastdomDocumentimportNodenullhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Document/importNode-null.html (0 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Document/importNode-null.html                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Document/importNode-null.html        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;body&gt;
+&lt;script src=&quot;../../../resources/js-test-pre.js&quot;&gt;&lt;/script&gt;
+&lt;script&gt;
+description(&quot;Tests that document.importNode(null) throws a TypeError&quot;);
+
+shouldThrow(&quot;document.importNode(null)&quot;, &quot;'TypeError: Type error'&quot;);
+shouldThrow(&quot;document.importNode()&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+&lt;/script&gt;
+&lt;script src=&quot;../../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkLayoutTestsfastdomimportNodenullexpectedtxt"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/fast/dom/importNode-null-expected.txt (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/importNode-null-expected.txt        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/fast/dom/importNode-null-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -1,4 +0,0 @@
</span><del>-This page tests calling document.importNode(null). If it passes, you'll see a &quot;PASS&quot; message below.
-
-caught exception: Error: NotSupportedError: DOM Exception 9
-PASS: importNode(null) didn't crash
</del></span></pre></div>
<a id="trunkLayoutTestsfastdomimportNodenullhtml"></a>
<div class="delfile"><h4>Deleted: trunk/LayoutTests/fast/dom/importNode-null.html (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/importNode-null.html        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/fast/dom/importNode-null.html        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -1,35 +0,0 @@
</span><del>-&lt;html&gt;
-&lt;head&gt;
-&lt;script&gt;
-function print(message, color) 
-{
-    var paragraph = document.createElement(&quot;div&quot;);
-    paragraph.appendChild(document.createTextNode(message));
-    paragraph.style.fontFamily = &quot;monospace&quot;;
-    if (color)
-        paragraph.style.color = color;
-    document.getElementById(&quot;console&quot;).appendChild(paragraph);
-}
-
-function test() 
-{
-    if (window.testRunner)
-        testRunner.dumpAsText();
-        
-    try {
-        document.importNode(null);
-    } catch(e) {
-        print(&quot;caught exception: &quot; + e);
-    } finally {
-        print(&quot;PASS: importNode(null) didn't crash&quot;, &quot;green&quot;);
-    }
-}
-&lt;/script&gt;
-&lt;/head&gt;
-&lt;body onload=&quot;test();&quot;&gt;
-&lt;p&gt;This page tests calling document.importNode(null). If it passes, you'll 
-   see a &quot;PASS&quot; message below.&lt;/p&gt;
-&lt;hr&gt;
-&lt;div id='console'&gt;&lt;/div&gt;
-&lt;/body&gt;
-&lt;/html&gt;
</del></span></pre></div>
<a id="trunkLayoutTestsimportedw3cChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/ChangeLog (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/ChangeLog        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/imported/w3c/ChangeLog        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2016-04-21  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Drop [UsePointersEvenForNonNullableObjectArguments] from Document
+        https://bugs.webkit.org/show_bug.cgi?id=156881
+
+        Reviewed by Darin Adler.
+
+        Rebaseline now that more checks are passing.
+
+        * web-platform-tests/dom/interfaces-expected.txt:
+        * web-platform-tests/html/dom/interfaces-expected.txt:
+
</ins><span class="cx"> 2016-04-21  Youenn Fablet  &lt;youenn.fablet@crf.canon.fr&gt;
</span><span class="cx"> 
</span><span class="cx">         [Fetch API] Improve some fetch response streams tests
</span></span></pre></div>
<a id="trunkLayoutTestsimportedw3cwebplatformtestsdominterfacesexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/dom/interfaces-expected.txt (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/web-platform-tests/dom/interfaces-expected.txt        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/dom/interfaces-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -262,8 +262,8 @@
</span><span class="cx"> FAIL Document interface: operation createTextNode(DOMString) assert_equals: property has wrong .length expected 1 but got 0
</span><span class="cx"> FAIL Document interface: operation createComment(DOMString) assert_equals: property has wrong .length expected 1 but got 0
</span><span class="cx"> FAIL Document interface: operation createProcessingInstruction(DOMString,DOMString) assert_equals: property has wrong .length expected 2 but got 0
</span><del>-FAIL Document interface: operation importNode(Node,boolean) assert_equals: property has wrong .length expected 1 but got 0
-FAIL Document interface: operation adoptNode(Node) assert_equals: property has wrong .length expected 1 but got 0
</del><ins>+PASS Document interface: operation importNode(Node,boolean) 
+PASS Document interface: operation adoptNode(Node) 
</ins><span class="cx"> FAIL Document interface: operation createAttribute(DOMString) assert_equals: property has wrong .length expected 1 but got 0
</span><span class="cx"> FAIL Document interface: operation createAttributeNS(DOMString,DOMString) assert_equals: property has wrong .length expected 2 but got 0
</span><span class="cx"> FAIL Document interface: operation createEvent(DOMString) assert_equals: property has wrong .length expected 1 but got 0
</span><span class="lines">@@ -331,13 +331,9 @@
</span><span class="cx">             fn.apply(obj, args);
</span><span class="cx">         }&quot; did not throw
</span><span class="cx"> PASS Document interface: xmlDoc must inherit property &quot;importNode&quot; with the proper type (20) 
</span><del>-FAIL Document interface: calling importNode(Node,boolean) on xmlDoc with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling importNode(Node,boolean) on xmlDoc with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: xmlDoc must inherit property &quot;adoptNode&quot; with the proper type (21) 
</span><del>-FAIL Document interface: calling adoptNode(Node) on xmlDoc with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling adoptNode(Node) on xmlDoc with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: xmlDoc must inherit property &quot;createAttribute&quot; with the proper type (22) 
</span><span class="cx"> FAIL Document interface: calling createAttribute(DOMString) on xmlDoc with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
</span><span class="cx">             fn.apply(obj, args);
</span></span></pre></div>
<a id="trunkLayoutTestsimportedw3cwebplatformtestshtmldominterfacesexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -167,13 +167,9 @@
</span><span class="cx">             fn.apply(obj, args);
</span><span class="cx">         }&quot; did not throw
</span><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;importNode&quot; with the proper type (20) 
</span><del>-FAIL Document interface: calling importNode(Node,boolean) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling importNode(Node,boolean) on iframe.contentDocument with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;adoptNode&quot; with the proper type (21) 
</span><del>-FAIL Document interface: calling adoptNode(Node) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling adoptNode(Node) on iframe.contentDocument with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;createAttribute&quot; with the proper type (22) 
</span><span class="cx"> FAIL Document interface: calling createAttribute(DOMString) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
</span><span class="cx">             fn.apply(obj, args);
</span><span class="lines">@@ -482,13 +478,9 @@
</span><span class="cx">             fn.apply(obj, args);
</span><span class="cx">         }&quot; did not throw
</span><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;importNode&quot; with the proper type (20) 
</span><del>-FAIL Document interface: calling importNode(Node,boolean) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling importNode(Node,boolean) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;adoptNode&quot; with the proper type (21) 
</span><del>-FAIL Document interface: calling adoptNode(Node) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling adoptNode(Node) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;createAttribute&quot; with the proper type (22) 
</span><span class="cx"> FAIL Document interface: calling createAttribute(DOMString) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
</span><span class="cx">             fn.apply(obj, args);
</span></span></pre></div>
<a id="trunkLayoutTestsplatformiossimulatorimportedw3cwebplatformtestshtmldominterfacesexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/ios-simulator/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/ios-simulator/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/LayoutTests/platform/ios-simulator/imported/w3c/web-platform-tests/html/dom/interfaces-expected.txt        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -167,13 +167,9 @@
</span><span class="cx">             fn.apply(obj, args);
</span><span class="cx">         }&quot; did not throw
</span><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;importNode&quot; with the proper type (20) 
</span><del>-FAIL Document interface: calling importNode(Node,boolean) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling importNode(Node,boolean) on iframe.contentDocument with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;adoptNode&quot; with the proper type (21) 
</span><del>-FAIL Document interface: calling adoptNode(Node) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling adoptNode(Node) on iframe.contentDocument with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: iframe.contentDocument must inherit property &quot;createAttribute&quot; with the proper type (22) 
</span><span class="cx"> FAIL Document interface: calling createAttribute(DOMString) on iframe.contentDocument with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
</span><span class="cx">             fn.apply(obj, args);
</span><span class="lines">@@ -482,13 +478,9 @@
</span><span class="cx">             fn.apply(obj, args);
</span><span class="cx">         }&quot; did not throw
</span><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;importNode&quot; with the proper type (20) 
</span><del>-FAIL Document interface: calling importNode(Node,boolean) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling importNode(Node,boolean) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;adoptNode&quot; with the proper type (21) 
</span><del>-FAIL Document interface: calling adoptNode(Node) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
-            fn.apply(obj, args);
-        }&quot; threw object &quot;Error: NotSupportedError: DOM Exception 9&quot; (&quot;NotSupportedError&quot;) expected object &quot;TypeError&quot; (&quot;TypeError&quot;)
</del><ins>+PASS Document interface: calling adoptNode(Node) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError 
</ins><span class="cx"> PASS Document interface: document.implementation.createDocument(null, &quot;&quot;, null) must inherit property &quot;createAttribute&quot; with the proper type (22) 
</span><span class="cx"> FAIL Document interface: calling createAttribute(DOMString) on document.implementation.createDocument(null, &quot;&quot;, null) with too few arguments must throw TypeError assert_throws: Called with 0 arguments function &quot;function () {
</span><span class="cx">             fn.apply(obj, args);
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/ChangeLog        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -1,3 +1,45 @@
</span><ins>+2016-04-21  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Drop [UsePointersEvenForNonNullableObjectArguments] from Document
+        https://bugs.webkit.org/show_bug.cgi?id=156881
+
+        Reviewed by Darin Adler.
+
+        Drop [UsePointersEvenForNonNullableObjectArguments] from Document. There
+        is no major Web-exposed behavior change but the type of the exception
+        being thrown when passing null or not enough parameters has changed for
+        some of the API (It is now always a TypeError as per the Web IDL
+        specification).
+
+        Tests: fast/dom/Document/adoptNode-null.html
+               fast/dom/Document/importNode-null.html
+
+        * dom/ContainerNode.cpp:
+        (WebCore::ContainerNode::takeAllChildrenFrom):
+        (WebCore::ContainerNode::parserInsertBefore):
+        (WebCore::ContainerNode::parserAppendChild):
+        * dom/Document.cpp:
+        (WebCore::Document::importNode):
+        (WebCore::Document::adoptNode):
+        (WebCore::Document::createNodeIterator):
+        (WebCore::Document::createTreeWalker):
+        (WebCore::Document::setBodyOrFrameset):
+        (WebCore::Document::hasValidNamespaceForElements): Deleted.
+        (WebCore::Document::scheduleForcedStyleRecalc): Deleted.
+        (WebCore::Document::scheduleStyleRecalc): Deleted.
+        (WebCore::Document::unscheduleStyleRecalc): Deleted.
+        (WebCore::Document::hasPendingStyleRecalc): Deleted.
+        (WebCore::Document::hasPendingForcedStyleRecalc): Deleted.
+        (WebCore::Document::recalcStyle): Deleted.
+        (WebCore::Document::explicitClose): Deleted.
+        * dom/Document.h:
+        (WebCore::Document::importNode):
+        * dom/Document.idl:
+        * dom/NodeIterator.cpp:
+        (WebCore::NodeIterator::NodeIterator):
+        * dom/NodeIterator.h:
+        (WebCore::NodeIterator::create):
+
</ins><span class="cx"> 2016-04-21  Frederic Wang  &lt;fwang@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         More improvements and explanations regarding resetting CSS properties on the &lt;math&gt; element
</span></span></pre></div>
<a id="trunkSourceWebCoredomContainerNodecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ContainerNode.cpp (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ContainerNode.cpp        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/ContainerNode.cpp        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -130,7 +130,7 @@
</span><span class="cx">         destroyRenderTreeIfNeeded(child);
</span><span class="cx"> 
</span><span class="cx">         // FIXME: We need a no mutation event version of adoptNode.
</span><del>-        RefPtr&lt;Node&gt; adoptedChild = document().adoptNode(&amp;child.get(), ASSERT_NO_EXCEPTION);
</del><ins>+        RefPtr&lt;Node&gt; adoptedChild = document().adoptNode(child, ASSERT_NO_EXCEPTION);
</ins><span class="cx">         parserAppendChild(*adoptedChild);
</span><span class="cx">         // FIXME: Together with adoptNode above, the tree scope might get updated recursively twice
</span><span class="cx">         // (if the document changed or oldParent was in a shadow tree, AND *this is in a shadow tree).
</span><span class="lines">@@ -376,7 +376,7 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     if (&amp;document() != &amp;newChild-&gt;document())
</span><del>-        document().adoptNode(newChild.ptr(), ASSERT_NO_EXCEPTION);
</del><ins>+        document().adoptNode(newChild, ASSERT_NO_EXCEPTION);
</ins><span class="cx"> 
</span><span class="cx">     insertBeforeCommon(nextChild, newChild);
</span><span class="cx"> 
</span><span class="lines">@@ -718,7 +718,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     if (&amp;document() != &amp;newChild-&gt;document())
</span><del>-        document().adoptNode(newChild.ptr(), ASSERT_NO_EXCEPTION);
</del><ins>+        document().adoptNode(newChild, ASSERT_NO_EXCEPTION);
</ins><span class="cx"> 
</span><span class="cx">     {
</span><span class="cx">         NoEventDispatchAssertion assertNoEventDispatch;
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.cpp (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.cpp        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/Document.cpp        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -992,16 +992,11 @@
</span><span class="cx">     return *propertySet-&gt;ensureCSSStyleDeclaration();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;Node&gt; Document::importNode(Node* importedNode, bool deep, ExceptionCode&amp; ec)
</del><ins>+RefPtr&lt;Node&gt; Document::importNode(Node&amp; nodeToImport, bool deep, ExceptionCode&amp; ec)
</ins><span class="cx"> {
</span><del>-    if (!importedNode) {
-        ec = NOT_SUPPORTED_ERR;
-        return nullptr;
-    }
-
-    switch (importedNode-&gt;nodeType()) {
</del><ins>+    switch (nodeToImport.nodeType()) {
</ins><span class="cx">     case DOCUMENT_FRAGMENT_NODE:
</span><del>-        if (importedNode-&gt;isShadowRoot())
</del><ins>+        if (nodeToImport.isShadowRoot())
</ins><span class="cx">             break;
</span><span class="cx">         FALLTHROUGH;
</span><span class="cx">     case ELEMENT_NODE:
</span><span class="lines">@@ -1009,11 +1004,11 @@
</span><span class="cx">     case CDATA_SECTION_NODE:
</span><span class="cx">     case PROCESSING_INSTRUCTION_NODE:
</span><span class="cx">     case COMMENT_NODE:
</span><del>-        return importedNode-&gt;cloneNodeInternal(document(), deep ? CloningOperation::Everything : CloningOperation::OnlySelf);
</del><ins>+        return nodeToImport.cloneNodeInternal(document(), deep ? CloningOperation::Everything : CloningOperation::OnlySelf);
</ins><span class="cx"> 
</span><span class="cx">     case ATTRIBUTE_NODE:
</span><span class="cx">         // FIXME: This will &quot;Attr::normalize&quot; child nodes of Attr.
</span><del>-        return Attr::create(*this, QualifiedName(nullAtom, downcast&lt;Attr&gt;(*importedNode).name(), nullAtom), downcast&lt;Attr&gt;(*importedNode).value());
</del><ins>+        return Attr::create(*this, QualifiedName(nullAtom, downcast&lt;Attr&gt;(nodeToImport).name(), nullAtom), downcast&lt;Attr&gt;(nodeToImport).value());
</ins><span class="cx"> 
</span><span class="cx">     case DOCUMENT_NODE: // Can't import a document into another document.
</span><span class="cx">     case DOCUMENT_TYPE_NODE: // FIXME: Support cloning a DocumentType node per DOM4.
</span><span class="lines">@@ -1025,48 +1020,43 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> 
</span><del>-RefPtr&lt;Node&gt; Document::adoptNode(Node* source, ExceptionCode&amp; ec)
</del><ins>+RefPtr&lt;Node&gt; Document::adoptNode(Node&amp; source, ExceptionCode&amp; ec)
</ins><span class="cx"> {
</span><del>-    if (!source) {
-        ec = NOT_SUPPORTED_ERR;
-        return nullptr;
-    }
-
</del><span class="cx">     EventQueueScope scope;
</span><span class="cx"> 
</span><del>-    switch (source-&gt;nodeType()) {
</del><ins>+    switch (source.nodeType()) {
</ins><span class="cx">     case DOCUMENT_NODE:
</span><span class="cx">         ec = NOT_SUPPORTED_ERR;
</span><span class="cx">         return nullptr;
</span><span class="cx">     case ATTRIBUTE_NODE: {                   
</span><del>-        Attr&amp; attr = downcast&lt;Attr&gt;(*source);
</del><ins>+        auto&amp; attr = downcast&lt;Attr&gt;(source);
</ins><span class="cx">         if (attr.ownerElement())
</span><span class="cx">             attr.ownerElement()-&gt;removeAttributeNode(&amp;attr, ec);
</span><span class="cx">         break;
</span><span class="cx">     }       
</span><span class="cx">     default:
</span><del>-        if (source-&gt;isShadowRoot()) {
</del><ins>+        if (source.isShadowRoot()) {
</ins><span class="cx">             // ShadowRoot cannot disconnect itself from the host node.
</span><span class="cx">             ec = HIERARCHY_REQUEST_ERR;
</span><span class="cx">             return nullptr;
</span><span class="cx">         }
</span><del>-        if (is&lt;HTMLFrameOwnerElement&gt;(*source)) {
-            HTMLFrameOwnerElement&amp; frameOwnerElement = downcast&lt;HTMLFrameOwnerElement&gt;(*source);
</del><ins>+        if (is&lt;HTMLFrameOwnerElement&gt;(source)) {
+            auto&amp; frameOwnerElement = downcast&lt;HTMLFrameOwnerElement&gt;(source);
</ins><span class="cx">             if (frame() &amp;&amp; frame()-&gt;tree().isDescendantOf(frameOwnerElement.contentFrame())) {
</span><span class="cx">                 ec = HIERARCHY_REQUEST_ERR;
</span><span class="cx">                 return nullptr;
</span><span class="cx">             }
</span><span class="cx">         }
</span><del>-        if (source-&gt;parentNode()) {
-            source-&gt;parentNode()-&gt;removeChild(*source, ec);
</del><ins>+        if (source.parentNode()) {
+            source.parentNode()-&gt;removeChild(source, ec);
</ins><span class="cx">             if (ec)
</span><span class="cx">                 return nullptr;
</span><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    adoptIfNeeded(source);
</del><ins>+    adoptIfNeeded(&amp;source);
</ins><span class="cx"> 
</span><del>-    return source;
</del><ins>+    return &amp;source;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool Document::hasValidNamespaceForElements(const QualifiedName&amp; qName)
</span><span class="lines">@@ -1778,54 +1768,16 @@
</span><span class="cx">     return Range::create(*this);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;NodeIterator&gt; Document::createNodeIterator(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, bool, ExceptionCode&amp; ec)
</del><ins>+Ref&lt;NodeIterator&gt; Document::createNodeIterator(Node&amp; root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, bool)
</ins><span class="cx"> {
</span><del>-    return createNodeIterator(root, whatToShow, WTFMove(filter), ec);
-}
-
-RefPtr&lt;NodeIterator&gt; Document::createNodeIterator(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, ExceptionCode&amp; ec)
-{
-    if (!root) {
-        ec = TypeError;
-        return nullptr;
-    }
</del><span class="cx">     return NodeIterator::create(root, whatToShow, WTFMove(filter));
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;NodeIterator&gt; Document::createNodeIterator(Node* root, unsigned long whatToShow, ExceptionCode&amp; ec)
</del><ins>+Ref&lt;TreeWalker&gt; Document::createTreeWalker(Node&amp; root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, bool)
</ins><span class="cx"> {
</span><del>-    return createNodeIterator(root, whatToShow, nullptr, ec);
</del><ins>+    return TreeWalker::create(root, whatToShow, WTFMove(filter));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;NodeIterator&gt; Document::createNodeIterator(Node* root, ExceptionCode&amp; ec)
-{
-    return createNodeIterator(root, 0xFFFFFFFF, nullptr, ec);
-}
-
-RefPtr&lt;TreeWalker&gt; Document::createTreeWalker(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, bool, ExceptionCode&amp; ec)
-{
-    return createTreeWalker(root, whatToShow, WTFMove(filter), ec);
-}
-
-RefPtr&lt;TreeWalker&gt; Document::createTreeWalker(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter, ExceptionCode&amp; ec)
-{
-    if (!root) {
-        ec = TypeError;
-        return nullptr;
-    }
-    return TreeWalker::create(*root, whatToShow, WTFMove(filter));
-}
-
-RefPtr&lt;TreeWalker&gt; Document::createTreeWalker(Node* root, unsigned long whatToShow, ExceptionCode&amp; ec)
-{
-    return createTreeWalker(root, whatToShow, nullptr, ec);
-}
-
-RefPtr&lt;TreeWalker&gt; Document::createTreeWalker(Node* root, ExceptionCode&amp; ec)
-{
-    return createTreeWalker(root, 0xFFFFFFFF, nullptr, ec);
-}
-
</del><span class="cx"> void Document::scheduleForcedStyleRecalc()
</span><span class="cx"> {
</span><span class="cx">     m_pendingStyleRecalcShouldForce = true;
</span><span class="lines">@@ -2680,7 +2632,7 @@
</span><span class="cx"> 
</span><span class="cx">     if (&amp;newBody-&gt;document() != this) {
</span><span class="cx">         ec = 0;
</span><del>-        RefPtr&lt;Node&gt; node = importNode(newBody.get(), true, ec);
</del><ins>+        RefPtr&lt;Node&gt; node = importNode(*newBody, true, ec);
</ins><span class="cx">         if (ec)
</span><span class="cx">             return;
</span><span class="cx">         
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumenth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.h (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.h        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/Document.h        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -388,8 +388,8 @@
</span><span class="cx">     RefPtr&lt;Attr&gt; createAttribute(const String&amp; name, ExceptionCode&amp;);
</span><span class="cx">     RefPtr&lt;Attr&gt; createAttributeNS(const String&amp; namespaceURI, const String&amp; qualifiedName, ExceptionCode&amp;, bool shouldIgnoreNamespaceChecks = false);
</span><span class="cx">     RefPtr&lt;EntityReference&gt; createEntityReference(const String&amp; name, ExceptionCode&amp;);
</span><del>-    RefPtr&lt;Node&gt; importNode(Node* importedNode, ExceptionCode&amp; ec) { return importNode(importedNode, false, ec); }
-    RefPtr&lt;Node&gt; importNode(Node* importedNode, bool deep, ExceptionCode&amp;);
</del><ins>+    RefPtr&lt;Node&gt; importNode(Node&amp; nodeToImport, ExceptionCode&amp; ec) { return importNode(nodeToImport, false, ec); }
+    RefPtr&lt;Node&gt; importNode(Node&amp; nodeToImport, bool deep, ExceptionCode&amp;);
</ins><span class="cx">     WEBCORE_EXPORT RefPtr&lt;Element&gt; createElementNS(const String&amp; namespaceURI, const String&amp; qualifiedName, ExceptionCode&amp;);
</span><span class="cx">     WEBCORE_EXPORT Ref&lt;Element&gt; createElement(const QualifiedName&amp;, bool createdByParser);
</span><span class="cx"> 
</span><span class="lines">@@ -458,7 +458,7 @@
</span><span class="cx">     void setTimerThrottlingEnabled(bool);
</span><span class="cx">     bool isTimerThrottlingEnabled() const { return m_isTimerThrottlingEnabled; }
</span><span class="cx"> 
</span><del>-    RefPtr&lt;Node&gt; adoptNode(Node* source, ExceptionCode&amp;);
</del><ins>+    RefPtr&lt;Node&gt; adoptNode(Node&amp; source, ExceptionCode&amp;);
</ins><span class="cx"> 
</span><span class="cx">     Ref&lt;HTMLCollection&gt; images();
</span><span class="cx">     Ref&lt;HTMLCollection&gt; embeds();
</span><span class="lines">@@ -548,15 +548,11 @@
</span><span class="cx"> 
</span><span class="cx">     WEBCORE_EXPORT Ref&lt;Range&gt; createRange();
</span><span class="cx"> 
</span><del>-    RefPtr&lt;NodeIterator&gt; createNodeIterator(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;, bool, ExceptionCode&amp;); // For ObjC bindings.
-    RefPtr&lt;NodeIterator&gt; createNodeIterator(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;, ExceptionCode&amp;);
-    RefPtr&lt;NodeIterator&gt; createNodeIterator(Node* root, unsigned long whatToShow, ExceptionCode&amp;);
-    RefPtr&lt;NodeIterator&gt; createNodeIterator(Node* root, ExceptionCode&amp;);
</del><ins>+    // The last bool parameter is for ObjC bindings.
+    Ref&lt;NodeIterator&gt; createNodeIterator(Node&amp; root, unsigned long whatToShow = 0xFFFFFFFF, RefPtr&lt;NodeFilter&gt;&amp;&amp; = nullptr, bool = false);
</ins><span class="cx"> 
</span><del>-    RefPtr&lt;TreeWalker&gt; createTreeWalker(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;, bool, ExceptionCode&amp;); // For ObjC bindings.
-    RefPtr&lt;TreeWalker&gt; createTreeWalker(Node* root, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;, ExceptionCode&amp;);
-    RefPtr&lt;TreeWalker&gt; createTreeWalker(Node* root, unsigned long whatToShow, ExceptionCode&amp;);
-    RefPtr&lt;TreeWalker&gt; createTreeWalker(Node* root, ExceptionCode&amp;);
</del><ins>+    // The last bool parameter is for ObjC bindings.
+    Ref&lt;TreeWalker&gt; createTreeWalker(Node&amp; root, unsigned long whatToShow = 0xFFFFFFFF, RefPtr&lt;NodeFilter&gt;&amp;&amp; = nullptr, bool = false);
</ins><span class="cx"> 
</span><span class="cx">     // Special support for editing
</span><span class="cx">     Ref&lt;CSSStyleDeclaration&gt; createCSSStyleDeclaration();
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.idl (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.idl        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/Document.idl        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -22,16 +22,15 @@
</span><span class="cx">     Constructor,
</span><span class="cx">     ConstructorCallWith=ScriptExecutionContext,
</span><span class="cx">     CustomToJSObject,
</span><del>-    UsePointersEvenForNonNullableObjectArguments,
</del><span class="cx">     JSCustomHeader,
</span><span class="cx">     JSGenerateToNativeObject,
</span><span class="cx">     ExportMacro=WEBCORE_EXPORT,
</span><span class="cx"> ] interface Document : Node {
</span><span class="cx"> 
</span><span class="cx">     // DOM Level 1 Core
</span><del>-    readonly attribute DocumentType doctype;
</del><ins>+    readonly attribute DocumentType? doctype;
</ins><span class="cx">     readonly attribute DOMImplementation implementation;
</span><del>-    readonly attribute Element documentElement;
</del><ins>+    readonly attribute Element? documentElement;
</ins><span class="cx"> 
</span><span class="cx">     [NewObject, RaisesException, ImplementedAs=createElementForBindings] Element createElement(DOMString tagName);
</span><span class="cx">     [NewObject] DocumentFragment   createDocumentFragment();
</span><span class="lines">@@ -54,8 +53,7 @@
</span><span class="cx"> 
</span><span class="cx">     // Introduced in DOM Level 2:
</span><span class="cx"> 
</span><del>-    [ObjCLegacyUnnamedParameters, NewObject, RaisesException] Node importNode([Default=Undefined] optional Node importedNode,
-                    optional boolean deep);
</del><ins>+    [ObjCLegacyUnnamedParameters, NewObject, RaisesException] Node importNode(Node importedNode, optional boolean deep);
</ins><span class="cx"> 
</span><span class="cx">     // FIXME: 'qualifiedName' should not have [TreatNullAs=EmptyString].
</span><span class="cx">     [ObjCLegacyUnnamedParameters, NewObject, RaisesException] Element createElementNS([Default=Undefined] optional DOMString? namespaceURI,
</span><span class="lines">@@ -79,7 +77,7 @@
</span><span class="cx">     [SetterRaisesException] attribute DOMString? xmlVersion;
</span><span class="cx">     [SetterRaisesException] attribute boolean xmlStandalone;
</span><span class="cx"> 
</span><del>-    [RaisesException] Node               adoptNode([Default=Undefined] optional Node source);
</del><ins>+    [RaisesException] Node adoptNode(Node source);
</ins><span class="cx"> 
</span><span class="cx"> #if defined(LANGUAGE_OBJECTIVE_C) &amp;&amp; LANGUAGE_OBJECTIVE_C || defined(LANGUAGE_GOBJECT) &amp;&amp; LANGUAGE_GOBJECT
</span><span class="cx">     // document.documentURI was writable in DOM3 Core, but is read-only in DOM4
</span><span class="lines">@@ -102,19 +100,19 @@
</span><span class="cx">     // DOM Level 2 Tranversal and Range (DocumentTraversal interface)
</span><span class="cx"> 
</span><span class="cx"> #if defined(LANGUAGE_OBJECTIVE_C) &amp;&amp; LANGUAGE_OBJECTIVE_C || defined(LANGUAGE_GOBJECT) &amp;&amp; LANGUAGE_GOBJECT
</span><del>-    [ObjCLegacyUnnamedParameters, RaisesException] NodeIterator createNodeIterator(Node root,
</del><ins>+    [ObjCLegacyUnnamedParameters] NodeIterator createNodeIterator(Node root,
</ins><span class="cx">         optional unsigned long whatToShow = 0xFFFFFFFF,
</span><span class="cx">         optional NodeFilter? filter,
</span><span class="cx">         optional boolean expandEntityReferences);
</span><del>-    [ObjCLegacyUnnamedParameters, RaisesException] TreeWalker createTreeWalker(Node root,
</del><ins>+    [ObjCLegacyUnnamedParameters] TreeWalker createTreeWalker(Node root,
</ins><span class="cx">         optional unsigned long whatToShow = 0xFFFFFFFF,
</span><span class="cx">         optional NodeFilter? filter,
</span><span class="cx">         optional boolean expandEntityReferences);
</span><span class="cx"> #else
</span><del>-    [RaisesException, NewObject] NodeIterator createNodeIterator(Node root,
</del><ins>+    [NewObject] NodeIterator createNodeIterator(Node root,
</ins><span class="cx">         optional unsigned long whatToShow = 0xFFFFFFFF,
</span><span class="cx">         optional NodeFilter? filter);
</span><del>-    [RaisesException, NewObject] TreeWalker createTreeWalker(Node root,
</del><ins>+    [NewObject] TreeWalker createTreeWalker(Node root,
</ins><span class="cx">         optional unsigned long whatToShow = 0xFFFFFFFF,
</span><span class="cx">         optional NodeFilter? filter);
</span><span class="cx"> #endif
</span><span class="lines">@@ -129,20 +127,20 @@
</span><span class="cx"> 
</span><span class="cx">     // DOM Level 2 Style (DocumentCSS interface)
</span><span class="cx"> 
</span><del>-    [ObjCLegacyUnnamedParameters] CSSStyleDeclaration getOverrideStyle([Default=Undefined] optional Element element,
</del><ins>+    [ObjCLegacyUnnamedParameters] CSSStyleDeclaration getOverrideStyle([Default=Undefined] optional Element? element,
</ins><span class="cx">                                                         [Default=Undefined] optional DOMString pseudoElement);
</span><span class="cx"> 
</span><span class="cx">     readonly attribute DOMString contentType;
</span><span class="cx"> 
</span><span class="cx">     // DOM Level 3 XPath (XPathEvaluator interface)
</span><span class="cx">     [ObjCLegacyUnnamedParameters, RaisesException] XPathExpression createExpression([Default=Undefined] optional DOMString expression,
</span><del>-                                                    [Default=Undefined] optional XPathNSResolver resolver);
-    XPathNSResolver    createNSResolver(Node nodeResolver);
</del><ins>+                                                    [Default=Undefined] optional XPathNSResolver? resolver);
+    XPathNSResolver    createNSResolver(Node? nodeResolver);
</ins><span class="cx">     [ObjCLegacyUnnamedParameters, RaisesException] XPathResult evaluate([Default=Undefined] optional DOMString expression,
</span><del>-                                                  [Default=Undefined] optional Node contextNode,
-                                                  [Default=Undefined] optional XPathNSResolver resolver,
</del><ins>+                                                  [Default=Undefined] optional Node? contextNode,
+                                                  [Default=Undefined] optional XPathNSResolver? resolver,
</ins><span class="cx">                                                   [Default=Undefined] optional unsigned short type,
</span><del>-                                                  [Default=Undefined] optional XPathResult inResult);
</del><ins>+                                                  [Default=Undefined] optional XPathResult? inResult);
</ins><span class="cx"> 
</span><span class="cx">     // Common extensions
</span><span class="cx">     boolean            execCommand([Default=Undefined] optional DOMString command,
</span><span class="lines">@@ -179,9 +177,9 @@
</span><span class="cx">     // FIXME: Should not have [TreatNullAs=EmptyString].
</span><span class="cx">     [TreatNullAs=EmptyString, GetterRaisesException, SetterRaisesException] attribute DOMString cookie;
</span><span class="cx"> 
</span><del>-    [SetterRaisesException, ImplementedAs=bodyOrFrameset, StrictTypeChecking] attribute HTMLElement body;
</del><ins>+    [SetterRaisesException, ImplementedAs=bodyOrFrameset, StrictTypeChecking] attribute HTMLElement? body;
</ins><span class="cx"> 
</span><del>-    readonly attribute HTMLHeadElement head;
</del><ins>+    readonly attribute HTMLHeadElement? head;
</ins><span class="cx">     readonly attribute HTMLCollection images;
</span><span class="cx">     readonly attribute HTMLCollection applets;
</span><span class="cx">     readonly attribute HTMLCollection links;
</span><span class="lines">@@ -227,14 +225,14 @@
</span><span class="cx"> 
</span><span class="cx"> #if defined(LANGUAGE_OBJECTIVE_C) &amp;&amp; LANGUAGE_OBJECTIVE_C
</span><span class="cx">     // DOM Level 2 Style Interface
</span><del>-    [ObjCLegacyUnnamedParameters, ObjCUseDefaultView] CSSStyleDeclaration getComputedStyle(Element element,
</del><ins>+    [ObjCLegacyUnnamedParameters, ObjCUseDefaultView] CSSStyleDeclaration getComputedStyle(Element? element,
</ins><span class="cx">                                                                   DOMString pseudoElement);
</span><span class="cx"> 
</span><span class="cx">     // WebKit extension
</span><span class="cx">     // FIXME: remove the first version once optional is implemented for Objective-C.
</span><del>-    [ObjCUseDefaultView] CSSRuleList getMatchedCSSRules(Element element,
</del><ins>+    [ObjCUseDefaultView] CSSRuleList getMatchedCSSRules(Element? element,
</ins><span class="cx">                                               DOMString pseudoElement);
</span><del>-    [ObjCUseDefaultView] CSSRuleList getMatchedCSSRules(Element element,
</del><ins>+    [ObjCUseDefaultView] CSSRuleList getMatchedCSSRules(Element? element,
</ins><span class="cx">                                               DOMString pseudoElement,
</span><span class="cx">                                               optional boolean authorOnly);
</span><span class="cx">                                               
</span><span class="lines">@@ -251,7 +249,7 @@
</span><span class="cx">     HTMLCollection getElementsByClassName([Default=Undefined] optional DOMString classNames);
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-    readonly attribute Element activeElement;
</del><ins>+    readonly attribute Element? activeElement;
</ins><span class="cx">     boolean hasFocus();
</span><span class="cx"> 
</span><span class="cx">     readonly attribute DOMString compatMode;
</span><span class="lines">@@ -265,12 +263,12 @@
</span><span class="cx"> 
</span><span class="cx">     // W3C version
</span><span class="cx">     readonly attribute boolean webkitFullscreenEnabled;
</span><del>-    readonly attribute Element webkitFullscreenElement;
</del><ins>+    readonly attribute Element? webkitFullscreenElement;
</ins><span class="cx">     void webkitExitFullscreen();
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     [Conditional=POINTER_LOCK] void exitPointerLock();
</span><del>-    [Conditional=POINTER_LOCK] readonly attribute Element pointerLockElement;
</del><ins>+    [Conditional=POINTER_LOCK] readonly attribute Element? pointerLockElement;
</ins><span class="cx"> 
</span><span class="cx">     [Conditional=CSS_REGIONS] DOMNamedFlowCollection webkitGetNamedFlows();
</span><span class="cx"> 
</span><span class="lines">@@ -281,8 +279,8 @@
</span><span class="cx"> #if defined(ENABLE_IOS_TOUCH_EVENTS) &amp;&amp; ENABLE_IOS_TOUCH_EVENTS
</span><span class="cx"> #include &lt;WebKitAdditions/DocumentIOS.idl&gt;
</span><span class="cx"> #elif defined(ENABLE_TOUCH_EVENTS) &amp;&amp; ENABLE_TOUCH_EVENTS
</span><del>-    [NewObject, RaisesException] Touch createTouch([Default=Undefined] optional DOMWindow window,
-                                                     [Default=Undefined] optional EventTarget target,
</del><ins>+    [NewObject, RaisesException] Touch createTouch([Default=Undefined] optional DOMWindow? window,
+                                                     [Default=Undefined] optional EventTarget? target,
</ins><span class="cx">                                                      [Default=Undefined] optional long identifier,
</span><span class="cx">                                                      [Default=Undefined] optional long pageX,
</span><span class="cx">                                                      [Default=Undefined] optional long pageY,
</span><span class="lines">@@ -305,13 +303,13 @@
</span><span class="cx">     readonly attribute boolean hidden;
</span><span class="cx"> 
</span><span class="cx">     // currentscript API: http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-document-currentscript
</span><del>-    readonly attribute HTMLScriptElement currentScript;
</del><ins>+    readonly attribute HTMLScriptElement? currentScript;
</ins><span class="cx"> 
</span><span class="cx">     // http://www.w3.org/TR/2014/WD-dom-20140204/#dom-document-origin
</span><span class="cx">     readonly attribute DOMString origin;
</span><span class="cx"> 
</span><span class="cx">     // http://dev.w3.org/csswg/cssom-view/#dom-document-scrollingelement
</span><del>-    readonly attribute Element scrollingElement;
</del><ins>+    readonly attribute Element? scrollingElement;
</ins><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx">     // Event Handlers
</span></span></pre></div>
<a id="trunkSourceWebCoredomNodeIteratorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/NodeIterator.cpp (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/NodeIterator.cpp        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/NodeIterator.cpp        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -76,8 +76,8 @@
</span><span class="cx">     return node;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-NodeIterator::NodeIterator(Node* rootNode, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter)
-    : NodeIteratorBase(*rootNode, whatToShow, WTFMove(filter))
</del><ins>+NodeIterator::NodeIterator(Node&amp; rootNode, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter)
+    : NodeIteratorBase(rootNode, whatToShow, WTFMove(filter))
</ins><span class="cx">     , m_referenceNode(root(), true)
</span><span class="cx"> {
</span><span class="cx">     root()-&gt;document().attachNodeIterator(this);
</span></span></pre></div>
<a id="trunkSourceWebCoredomNodeIteratorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/NodeIterator.h (199870 => 199871)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/NodeIterator.h        2016-04-22 06:07:32 UTC (rev 199870)
+++ trunk/Source/WebCore/dom/NodeIterator.h        2016-04-22 06:19:41 UTC (rev 199871)
</span><span class="lines">@@ -36,7 +36,7 @@
</span><span class="cx"> 
</span><span class="cx">     class NodeIterator : public ScriptWrappable, public RefCounted&lt;NodeIterator&gt;, public NodeIteratorBase {
</span><span class="cx">     public:
</span><del>-        static Ref&lt;NodeIterator&gt; create(Node* rootNode, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter)
</del><ins>+        static Ref&lt;NodeIterator&gt; create(Node&amp; rootNode, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp; filter)
</ins><span class="cx">         {
</span><span class="cx">             return adoptRef(*new NodeIterator(rootNode, whatToShow, WTFMove(filter)));
</span><span class="cx">         }
</span><span class="lines">@@ -53,7 +53,7 @@
</span><span class="cx">         void nodeWillBeRemoved(Node&amp;);
</span><span class="cx"> 
</span><span class="cx">     private:
</span><del>-        NodeIterator(Node*, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;);
</del><ins>+        NodeIterator(Node&amp;, unsigned long whatToShow, RefPtr&lt;NodeFilter&gt;&amp;&amp;);
</ins><span class="cx"> 
</span><span class="cx">         struct NodePointer {
</span><span class="cx">             RefPtr&lt;Node&gt; node;
</span></span></pre>
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