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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/184092">184092</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2015-05-11 06:32:39 -0700 (Mon, 11 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/183064">r183064</a> - Use ASSERT_WITH_SECURITY_IMPLICATION() for NoEventDispatchAssertion
https://bugs.webkit.org/show_bug.cgi?id=143971

Reviewed by Darin Adler.

Use ASSERT_WITH_SECURITY_IMPLICATION() for NoEventDispatchAssertion as
firing JS events can cause arbitrary JS execution which often leads to
security bugs when event firing is forbidden. For e.g. firing events
from ActiveDOMObject::suspend() means JS can construct or destroy
ActiveDOMObjects while we are iterating over them.

* dom/ContainerNode.cpp:
(WebCore::dispatchChildInsertionEvents):
(WebCore::dispatchChildRemovalEvents):
* dom/ContainerNodeAlgorithms.h:
(WebCore::ChildNodeInsertionNotifier::notify):
* dom/Document.cpp:
(WebCore::Document::dispatchWindowEvent):
(WebCore::Document::dispatchWindowLoadEvent):
* dom/Element.cpp:
(WebCore::Element::dispatchFocusInEvent):
(WebCore::Element::dispatchFocusOutEvent):
* dom/EventDispatcher.cpp:
(WebCore::EventDispatcher::dispatchEvent):
* dom/EventTarget.cpp:
(WebCore::EventTarget::fireEventListeners):
* dom/Node.cpp:
(WebCore::Node::dispatchSubtreeModifiedEvent):
(WebCore::Node::dispatchDOMActivateEvent):
* dom/ScriptExecutionContext.cpp:
(WebCore::ScriptExecutionContext::canSuspendActiveDOMObjectsForPageCache):
(WebCore::ScriptExecutionContext::suspendActiveDOMObjects):
(WebCore::ScriptExecutionContext::resumeActiveDOMObjects):
(WebCore::ScriptExecutionContext::stopActiveDOMObjects):
(WebCore::ScriptExecutionContext::willDestroyActiveDOMObject):
* dom/WebKitNamedFlow.cpp:
(WebCore::WebKitNamedFlow::dispatchRegionOversetChangeEvent):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.8/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomContainerNodecpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNode.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomContainerNodeAlgorithmsh">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNodeAlgorithms.h</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomDocumentcpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Document.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomElementcpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Element.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomEventDispatchercpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventDispatcher.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomEventTargetcpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventTarget.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomNodecpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Node.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomScriptExecutionContextcpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ScriptExecutionContext.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit28SourceWebCoredomWebKitNamedFlowcpp">releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/WebKitNamedFlow.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit28SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/ChangeLog (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/ChangeLog        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/ChangeLog        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -1,3 +1,43 @@
</span><ins>+2015-04-21  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Use ASSERT_WITH_SECURITY_IMPLICATION() for NoEventDispatchAssertion
+        https://bugs.webkit.org/show_bug.cgi?id=143971
+
+        Reviewed by Darin Adler.
+
+        Use ASSERT_WITH_SECURITY_IMPLICATION() for NoEventDispatchAssertion as
+        firing JS events can cause arbitrary JS execution which often leads to
+        security bugs when event firing is forbidden. For e.g. firing events
+        from ActiveDOMObject::suspend() means JS can construct or destroy
+        ActiveDOMObjects while we are iterating over them.
+
+        * dom/ContainerNode.cpp:
+        (WebCore::dispatchChildInsertionEvents):
+        (WebCore::dispatchChildRemovalEvents):
+        * dom/ContainerNodeAlgorithms.h:
+        (WebCore::ChildNodeInsertionNotifier::notify):
+        * dom/Document.cpp:
+        (WebCore::Document::dispatchWindowEvent):
+        (WebCore::Document::dispatchWindowLoadEvent):
+        * dom/Element.cpp:
+        (WebCore::Element::dispatchFocusInEvent):
+        (WebCore::Element::dispatchFocusOutEvent):
+        * dom/EventDispatcher.cpp:
+        (WebCore::EventDispatcher::dispatchEvent):
+        * dom/EventTarget.cpp:
+        (WebCore::EventTarget::fireEventListeners):
+        * dom/Node.cpp:
+        (WebCore::Node::dispatchSubtreeModifiedEvent):
+        (WebCore::Node::dispatchDOMActivateEvent):
+        * dom/ScriptExecutionContext.cpp:
+        (WebCore::ScriptExecutionContext::canSuspendActiveDOMObjectsForPageCache):
+        (WebCore::ScriptExecutionContext::suspendActiveDOMObjects):
+        (WebCore::ScriptExecutionContext::resumeActiveDOMObjects):
+        (WebCore::ScriptExecutionContext::stopActiveDOMObjects):
+        (WebCore::ScriptExecutionContext::willDestroyActiveDOMObject):
+        * dom/WebKitNamedFlow.cpp:
+        (WebCore::WebKitNamedFlow::dispatchRegionOversetChangeEvent):
+
</ins><span class="cx"> 2015-04-20  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         REGRESSION (r177494): -webkit-mask-image: with data URI fails on non-local files
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomContainerNodecpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNode.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNode.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNode.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -799,7 +799,7 @@
</span><span class="cx">     if (child.isInShadowTree())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx"> 
</span><span class="cx">     RefPtr&lt;Node&gt; c = &amp;child;
</span><span class="cx">     Ref&lt;Document&gt; document(child.document());
</span><span class="lines">@@ -821,7 +821,7 @@
</span><span class="cx">         return;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx"> 
</span><span class="cx">     willCreatePossiblyOrphanedTreeByRemoval(&amp;child);
</span><span class="cx">     InspectorInstrumentation::willRemoveDOMNode(child.document(), child);
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomContainerNodeAlgorithmsh"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNodeAlgorithms.h (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNodeAlgorithms.h        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ContainerNodeAlgorithms.h        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -214,7 +214,7 @@
</span><span class="cx"> 
</span><span class="cx"> inline void ChildNodeInsertionNotifier::notify(Node&amp; node)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx"> 
</span><span class="cx">     InspectorInstrumentation::didInsertDOMNode(node.document(), node);
</span><span class="cx"> 
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomDocumentcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Document.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Document.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Document.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -3810,7 +3810,7 @@
</span><span class="cx"> 
</span><span class="cx"> void Document::dispatchWindowEvent(PassRefPtr&lt;Event&gt; event,  PassRefPtr&lt;EventTarget&gt; target)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     if (!m_domWindow)
</span><span class="cx">         return;
</span><span class="cx">     m_domWindow-&gt;dispatchEvent(event, target);
</span><span class="lines">@@ -3818,7 +3818,7 @@
</span><span class="cx"> 
</span><span class="cx"> void Document::dispatchWindowLoadEvent()
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     if (!m_domWindow)
</span><span class="cx">         return;
</span><span class="cx">     m_domWindow-&gt;dispatchLoadEvent();
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomElementcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Element.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Element.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Element.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -2071,14 +2071,14 @@
</span><span class="cx"> 
</span><span class="cx"> void Element::dispatchFocusInEvent(const AtomicString&amp; eventType, RefPtr&lt;Element&gt;&amp;&amp; oldFocusedElement)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     ASSERT(eventType == eventNames().focusinEvent || eventType == eventNames().DOMFocusInEvent);
</span><span class="cx">     dispatchScopedEvent(FocusEvent::create(eventType, true, false, document().defaultView(), 0, WTF::move(oldFocusedElement)));
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void Element::dispatchFocusOutEvent(const AtomicString&amp; eventType, RefPtr&lt;Element&gt;&amp;&amp; newFocusedElement)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     ASSERT(eventType == eventNames().focusoutEvent || eventType == eventNames().DOMFocusOutEvent);
</span><span class="cx">     dispatchScopedEvent(FocusEvent::create(eventType, true, false, document().defaultView(), 0, WTF::move(newFocusedElement)));
</span><span class="cx"> }
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomEventDispatchercpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventDispatcher.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventDispatcher.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventDispatcher.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -319,7 +319,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool EventDispatcher::dispatchEvent(Node* origin, PassRefPtr&lt;Event&gt; prpEvent)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     if (!prpEvent)
</span><span class="cx">         return true;
</span><span class="cx"> 
</span><span class="lines">@@ -341,7 +341,7 @@
</span><span class="cx">     ChildNodesLazySnapshot::takeChildNodesLazySnapshot();
</span><span class="cx"> 
</span><span class="cx">     event-&gt;setTarget(&amp;eventTargetRespectingTargetRules(*node));
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     ASSERT(event-&gt;target());
</span><span class="cx">     WindowEventContext windowEventContext(node.get(), eventPath.lastContextIfExists());
</span><span class="cx"> 
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomEventTargetcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventTarget.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventTarget.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/EventTarget.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -189,7 +189,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool EventTarget::fireEventListeners(Event* event)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     ASSERT(event &amp;&amp; !event-&gt;type().isEmpty());
</span><span class="cx"> 
</span><span class="cx">     EventTargetData* d = eventTargetData();
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomNodecpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Node.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Node.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/Node.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -2022,7 +2022,7 @@
</span><span class="cx">     if (isInShadowTree())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx"> 
</span><span class="cx">     if (!document().hasListenerType(Document::DOMSUBTREEMODIFIED_LISTENER))
</span><span class="cx">         return;
</span><span class="lines">@@ -2035,7 +2035,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool Node::dispatchDOMActivateEvent(int detail, PassRefPtr&lt;Event&gt; underlyingEvent)
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     RefPtr&lt;UIEvent&gt; event = UIEvent::create(eventNames().DOMActivateEvent, true, true, document().defaultView(), detail);
</span><span class="cx">     event-&gt;setUnderlyingEvent(underlyingEvent);
</span><span class="cx">     dispatchScopedEvent(event);
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomScriptExecutionContextcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ScriptExecutionContext.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ScriptExecutionContext.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/ScriptExecutionContext.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -187,8 +187,9 @@
</span><span class="cx"> 
</span><span class="cx">     // We assume that m_activeDOMObjects will not change during iteration: canSuspend
</span><span class="cx">     // functions should not add new active DOM objects, nor execute arbitrary JavaScript.
</span><del>-    // An ASSERT or RELEASE_ASSERT will fire if this happens, but it's important to code
</del><ins>+    // An ASSERT_WITH_SECURITY_IMPLICATION or RELEASE_ASSERT will fire if this happens, but it's important to code
</ins><span class="cx">     // canSuspend functions so it will not happen!
</span><ins>+    NoEventDispatchAssertion assertNoEventDispatch;
</ins><span class="cx">     for (auto* activeDOMObject : m_activeDOMObjects) {
</span><span class="cx">         if (!activeDOMObject-&gt;canSuspend()) {
</span><span class="cx">             canSuspend = false;
</span><span class="lines">@@ -225,7 +226,7 @@
</span><span class="cx"> 
</span><span class="cx">     // We assume that m_activeDOMObjects will not change during iteration: suspend
</span><span class="cx">     // functions should not add new active DOM objects, nor execute arbitrary JavaScript.
</span><del>-    // An ASSERT or RELEASE_ASSERT will fire if this happens, but it's important to code
</del><ins>+    // An ASSERT_WITH_SECURITY_IMPLICATION or RELEASE_ASSERT will fire if this happens, but it's important to code
</ins><span class="cx">     // suspend functions so it will not happen!
</span><span class="cx">     for (auto* activeDOMObject : m_activeDOMObjects)
</span><span class="cx">         activeDOMObject-&gt;suspend(why);
</span><span class="lines">@@ -254,7 +255,7 @@
</span><span class="cx"> 
</span><span class="cx">     // We assume that m_activeDOMObjects will not change during iteration: resume
</span><span class="cx">     // functions should not add new active DOM objects, nor execute arbitrary JavaScript.
</span><del>-    // An ASSERT or RELEASE_ASSERT will fire if this happens, but it's important to code
</del><ins>+    // An ASSERT_WITH_SECURITY_IMPLICATION or RELEASE_ASSERT will fire if this happens, but it's important to code
</ins><span class="cx">     // resume functions so it will not happen!
</span><span class="cx">     for (auto* activeDOMObject : m_activeDOMObjects)
</span><span class="cx">         activeDOMObject-&gt;resume();
</span><span class="lines">@@ -281,7 +282,7 @@
</span><span class="cx"> 
</span><span class="cx">     // We assume that new objects will not be added to m_activeDOMObjects during iteration:
</span><span class="cx">     // stop functions should not add new active DOM objects, nor execute arbitrary JavaScript.
</span><del>-    // A RELEASE_ASSERT will fire if this happens, but it's important to code stop functions
</del><ins>+    // An ASSERT_WITH_SECURITY_IMPLICATION or RELEASE_ASSERT will fire if this happens, but it's important to code stop functions
</ins><span class="cx">     // so it will not happen!
</span><span class="cx">     for (auto* activeDOMObject : possibleActiveDOMObjects) {
</span><span class="cx">         // Check if this object was deleted already. If so, just skip it.
</span><span class="lines">@@ -323,7 +324,7 @@
</span><span class="cx"> 
</span><span class="cx"> void ScriptExecutionContext::willDestroyActiveDOMObject(ActiveDOMObject&amp; activeDOMObject)
</span><span class="cx"> {
</span><del>-    ASSERT(!m_activeDOMObjectRemovalForbidden);
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!m_activeDOMObjectRemovalForbidden);
</ins><span class="cx">     m_activeDOMObjects.remove(&amp;activeDOMObject);
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit28SourceWebCoredomWebKitNamedFlowcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/WebKitNamedFlow.cpp (184091 => 184092)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/WebKitNamedFlow.cpp        2015-05-11 13:31:21 UTC (rev 184091)
+++ releases/WebKitGTK/webkit-2.8/Source/WebCore/dom/WebKitNamedFlow.cpp        2015-05-11 13:32:39 UTC (rev 184092)
</span><span class="lines">@@ -210,7 +210,7 @@
</span><span class="cx"> 
</span><span class="cx"> void WebKitNamedFlow::dispatchRegionOversetChangeEvent()
</span><span class="cx"> {
</span><del>-    ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
</del><ins>+    ASSERT_WITH_SECURITY_IMPLICATION(!NoEventDispatchAssertion::isEventDispatchForbidden());
</ins><span class="cx">     
</span><span class="cx">     // If the flow is in the &quot;NULL&quot; state the event should not be dispatched any more.
</span><span class="cx">     if (flowState() == FlowStateNull)
</span></span></pre>
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