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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/196170">196170</a></dd>
<dt>Author</dt> <dd>youenn.fablet@crf.canon.fr</dd>
<dt>Date</dt> <dd>2016-02-05 01:59:15 -0800 (Fri, 05 Feb 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Remove DOMWrapped parameter from JSKeyValueIterator
https://bugs.webkit.org/show_bug.cgi?id=153859

Reviewed by Sam Weinig.

No change in behavior.

Using std::declval to infer DOMWrapped from JSWrapper::wrapped.

* bindings/js/JSFetchHeadersCustom.cpp:
(WebCore::JSFetchHeaders::entries):
(WebCore::JSFetchHeaders::keys):
(WebCore::JSFetchHeaders::values):
* bindings/js/JSKeyValueIterator.h:
(WebCore::createIterator):
(WebCore::JSKeyValueIterator&lt;JSWrapper&gt;::destroy):
(WebCore::JSKeyValueIterator&lt;JSWrapper&gt;::next):
(WebCore::JSKeyValueIteratorPrototypeFunctionNext):
(WebCore::JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::finishCreation):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsjsJSFetchHeadersCustomcpp">trunk/Source/WebCore/bindings/js/JSFetchHeadersCustom.cpp</a></li>
<li><a href="#trunkSourceWebCorebindingsjsJSKeyValueIteratorh">trunk/Source/WebCore/bindings/js/JSKeyValueIterator.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (196169 => 196170)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-02-05 09:03:28 UTC (rev 196169)
+++ trunk/Source/WebCore/ChangeLog        2016-02-05 09:59:15 UTC (rev 196170)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2016-02-05  Youenn Fablet  &lt;youenn.fablet@crf.canon.fr&gt;
+
+        Remove DOMWrapped parameter from JSKeyValueIterator
+        https://bugs.webkit.org/show_bug.cgi?id=153859
+
+        Reviewed by Sam Weinig.
+
+        No change in behavior.
+
+        Using std::declval to infer DOMWrapped from JSWrapper::wrapped.
+
+        * bindings/js/JSFetchHeadersCustom.cpp:
+        (WebCore::JSFetchHeaders::entries):
+        (WebCore::JSFetchHeaders::keys):
+        (WebCore::JSFetchHeaders::values):
+        * bindings/js/JSKeyValueIterator.h:
+        (WebCore::createIterator):
+        (WebCore::JSKeyValueIterator&lt;JSWrapper&gt;::destroy):
+        (WebCore::JSKeyValueIterator&lt;JSWrapper&gt;::next):
+        (WebCore::JSKeyValueIteratorPrototypeFunctionNext):
+        (WebCore::JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::finishCreation):
+
</ins><span class="cx"> 2016-02-05  Nan Wang  &lt;n_wang@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         AX: WebKit hanging when VoiceOver attempts to focus in on page
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsJSFetchHeadersCustomcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/JSFetchHeadersCustom.cpp (196169 => 196170)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/JSFetchHeadersCustom.cpp        2016-02-05 09:03:28 UTC (rev 196169)
+++ trunk/Source/WebCore/bindings/js/JSFetchHeadersCustom.cpp        2016-02-05 09:59:15 UTC (rev 196170)
</span><span class="lines">@@ -36,8 +36,8 @@
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><span class="cx"> // FIXME: Move this code to JSFetchHeaders.
</span><del>-using FetchHeadersIterator = JSKeyValueIterator&lt;JSFetchHeaders, FetchHeaders&gt;;
-using FetchHeadersIteratorPrototype = JSKeyValueIteratorPrototype&lt;JSFetchHeaders, FetchHeaders&gt;;
</del><ins>+using FetchHeadersIterator = JSKeyValueIterator&lt;JSFetchHeaders&gt;;
+using FetchHeadersIteratorPrototype = JSKeyValueIteratorPrototype&lt;JSFetchHeaders&gt;;
</ins><span class="cx"> 
</span><span class="cx"> template&lt;&gt;
</span><span class="cx"> const JSC::ClassInfo FetchHeadersIterator::s_info = { &quot;Headers Iterator&quot;, &amp;Base::s_info, 0, CREATE_METHOD_TABLE(FetchHeadersIterator) };
</span><span class="lines">@@ -47,17 +47,17 @@
</span><span class="cx"> 
</span><span class="cx"> JSC::JSValue JSFetchHeaders::entries(JSC::ExecState&amp;)
</span><span class="cx"> {
</span><del>-    return createIterator&lt;JSFetchHeaders, FetchHeaders&gt;(*globalObject(), *this, IterationKind::KeyValue);
</del><ins>+    return createIterator&lt;JSFetchHeaders&gt;(*globalObject(), *this, IterationKind::KeyValue);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> JSC::JSValue JSFetchHeaders::keys(JSC::ExecState&amp;)
</span><span class="cx"> {
</span><del>-    return createIterator&lt;JSFetchHeaders, FetchHeaders&gt;(*globalObject(), *this, IterationKind::Key);
</del><ins>+    return createIterator&lt;JSFetchHeaders&gt;(*globalObject(), *this, IterationKind::Key);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> JSC::JSValue JSFetchHeaders::values(JSC::ExecState&amp;)
</span><span class="cx"> {
</span><del>-    return createIterator&lt;JSFetchHeaders, FetchHeaders&gt;(*globalObject(), *this, IterationKind::Value);
</del><ins>+    return createIterator&lt;JSFetchHeaders&gt;(*globalObject(), *this, IterationKind::Value);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsjsJSKeyValueIteratorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/js/JSKeyValueIterator.h (196169 => 196170)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/js/JSKeyValueIterator.h        2016-02-05 09:03:28 UTC (rev 196169)
+++ trunk/Source/WebCore/bindings/js/JSKeyValueIterator.h        2016-02-05 09:59:15 UTC (rev 196170)
</span><span class="lines">@@ -28,14 +28,15 @@
</span><span class="cx"> 
</span><span class="cx"> #include &quot;JSDOMBinding.h&quot;
</span><span class="cx"> #include &lt;runtime/JSDestructibleObject.h&gt;
</span><ins>+#include &lt;type_traits&gt;
</ins><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><del>-// FIXME: Update binding generator to allow getting DOMWrapped from JSWrapper.
-template&lt;typename JSWrapper, typename DOMWrapped&gt;
</del><ins>+template&lt;typename JSWrapper&gt;
</ins><span class="cx"> class JSKeyValueIteratorPrototype : public JSC::JSNonFinalObject {
</span><span class="cx"> public:
</span><del>-    typedef JSC::JSNonFinalObject Base;
</del><ins>+    using DOMWrapped = typename std::remove_reference&lt;decltype(std::declval&lt;JSWrapper&gt;().wrapped())&gt;::type;
+    using Base = JSC::JSNonFinalObject;
</ins><span class="cx"> 
</span><span class="cx">     static JSKeyValueIteratorPrototype* create(JSC::VM&amp; vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
</span><span class="cx">     {
</span><span class="lines">@@ -61,10 +62,11 @@
</span><span class="cx"> 
</span><span class="cx"> enum class IterationKind { Key, Value, KeyValue };
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
</del><ins>+template&lt;typename JSWrapper&gt;
</ins><span class="cx"> class JSKeyValueIterator: public JSDOMObject {
</span><span class="cx"> public:
</span><del>-    typedef JSDOMObject Base;
</del><ins>+    using DOMWrapped = typename std::remove_reference&lt;decltype(std::declval&lt;JSWrapper&gt;().wrapped())&gt;::type;
+    using Base = JSDOMObject;
</ins><span class="cx"> 
</span><span class="cx">     DECLARE_INFO;
</span><span class="cx"> 
</span><span class="lines">@@ -80,10 +82,10 @@
</span><span class="cx">         return instance;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    static JSKeyValueIteratorPrototype&lt;JSWrapper, DOMWrapped&gt;* createPrototype(JSC::VM&amp; vm, JSC::JSGlobalObject* globalObject)
</del><ins>+    static JSKeyValueIteratorPrototype&lt;JSWrapper&gt;* createPrototype(JSC::VM&amp; vm, JSC::JSGlobalObject* globalObject)
</ins><span class="cx">     {
</span><del>-        return JSKeyValueIteratorPrototype&lt;JSWrapper, DOMWrapped&gt;::create(vm, globalObject,
-            JSKeyValueIteratorPrototype&lt;JSWrapper, DOMWrapped&gt;::createStructure(vm, globalObject, globalObject-&gt;objectPrototype()));
</del><ins>+        return JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::create(vm, globalObject,
+            JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::createStructure(vm, globalObject, globalObject-&gt;objectPrototype()));
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     bool next(JSC::ExecState&amp;, JSC::JSValue&amp;);
</span><span class="lines">@@ -102,21 +104,21 @@
</span><span class="cx">     IterationKind m_kind;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
-JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;* createIterator(JSDOMGlobalObject&amp; globalObject, JSWrapper&amp; wrapper, IterationKind kind)
</del><ins>+template&lt;typename JSWrapper&gt;
+JSKeyValueIterator&lt;JSWrapper&gt;* createIterator(JSDOMGlobalObject&amp; globalObject, JSWrapper&amp; wrapper, IterationKind kind)
</ins><span class="cx"> {
</span><del>-    return JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;::create(globalObject.vm(), getDOMStructure&lt;JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;&gt;(globalObject.vm(), globalObject), wrapper, kind);
</del><ins>+    return JSKeyValueIterator&lt;JSWrapper&gt;::create(globalObject.vm(), getDOMStructure&lt;JSKeyValueIterator&lt;JSWrapper&gt;&gt;(globalObject.vm(), globalObject), wrapper, kind);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
-void JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;::destroy(JSCell* cell)
</del><ins>+template&lt;typename JSWrapper&gt;
+void JSKeyValueIterator&lt;JSWrapper&gt;::destroy(JSCell* cell)
</ins><span class="cx"> {
</span><del>-    JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;* thisObject = JSC::jsCast&lt;JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;*&gt;(cell);
-    thisObject-&gt;JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;::~JSKeyValueIterator();
</del><ins>+    JSKeyValueIterator&lt;JSWrapper&gt;* thisObject = JSC::jsCast&lt;JSKeyValueIterator&lt;JSWrapper&gt;*&gt;(cell);
+    thisObject-&gt;JSKeyValueIterator&lt;JSWrapper&gt;::~JSKeyValueIterator();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
-bool JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;::next(JSC::ExecState&amp; state, JSC::JSValue&amp; value)
</del><ins>+template&lt;typename JSWrapper&gt;
+bool JSKeyValueIterator&lt;JSWrapper&gt;::next(JSC::ExecState&amp; state, JSC::JSValue&amp; value)
</ins><span class="cx"> {
</span><span class="cx">     typename DOMWrapped::Iterator::Key nextKey;
</span><span class="cx">     typename DOMWrapped::Iterator::Value nextValue;
</span><span class="lines">@@ -133,10 +135,10 @@
</span><span class="cx">     return false;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
-JSC::EncodedJSValue JSC_HOST_CALL JSKeyValueIteratorPrototype&lt;JSWrapper, DOMWrapped&gt;::next(JSC::ExecState* state)
</del><ins>+template&lt;typename JSWrapper&gt;
+JSC::EncodedJSValue JSC_HOST_CALL JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::next(JSC::ExecState* state)
</ins><span class="cx"> {
</span><del>-    JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;* iterator = JSC::jsDynamicCast&lt;JSKeyValueIterator&lt;JSWrapper, DOMWrapped&gt;*&gt;(state-&gt;thisValue());
</del><ins>+    JSKeyValueIterator&lt;JSWrapper&gt;* iterator = JSC::jsDynamicCast&lt;JSKeyValueIterator&lt;JSWrapper&gt;*&gt;(state-&gt;thisValue());
</ins><span class="cx">     if (!iterator)
</span><span class="cx">         return JSC::JSValue::encode(throwTypeError(state, ASCIILiteral(&quot;Cannot call next() on a non-Iterator object&quot;)));
</span><span class="cx"> 
</span><span class="lines">@@ -145,8 +147,8 @@
</span><span class="cx">     return JSC::JSValue::encode(createIteratorResultObject(state, result, isDone));
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-template&lt;typename JSWrapper, typename DOMWrapped&gt;
-void JSKeyValueIteratorPrototype&lt;JSWrapper, DOMWrapped&gt;::finishCreation(JSC::VM&amp; vm, JSC::JSGlobalObject* globalObject)
</del><ins>+template&lt;typename JSWrapper&gt;
+void JSKeyValueIteratorPrototype&lt;JSWrapper&gt;::finishCreation(JSC::VM&amp; vm, JSC::JSGlobalObject* globalObject)
</ins><span class="cx"> {
</span><span class="cx">     Base::finishCreation(vm);
</span><span class="cx">     ASSERT(inherits(info()));
</span></span></pre>
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