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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>215495</bug_id>
          
          <creation_ts>2020-08-13 23:40:55 -0700</creation_ts>
          <short_desc>Web Inspector: Assertion Failed: removeEventListener cannot remove css-manager-style-sheet-added because it doesn&apos;t exist.</short_desc>
          <delta_ts>2020-08-14 16:10:19 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Web Inspector</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Devin Rousso">hi</reporter>
          <assigned_to name="Devin Rousso">hi</assigned_to>
          <cc>hi</cc>
    
    <cc>inspector-bugzilla-changes</cc>
    
    <cc>joepeck</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1680231</commentid>
    <comment_count>0</comment_count>
    <who name="Devin Rousso">hi</who>
    <bug_when>2020-08-13 23:40:55 -0700</bug_when>
    <thetext>[Error] Assertion Failed: removeEventListener cannot remove css-manager-style-sheet-added because it doesn&apos;t exist.
	removeEventListener (Object.js:93)
	ondetach (FrameTreeElement.js:124)
	_detach (TreeElement.js:294)
	removeChildAtIndex (TreeOutline.js:341)
	removeChild (TreeOutline.js:362)
	_removeTreeElement (FolderizedTreeElement.js:257)
	removeChildForRepresentedObject (FolderizedTreeElement.js:134)
	_childFrameWasRemoved (FrameTreeElement.js:259)
	dispatch (Object.js:165)
	dispatchEventToListeners (Object.js:172)
	removeChildFrame (Frame.js:348)
	frameDidDetach (NetworkManager.js:619)
	frameDetached (PageObserver.js:47)
	_dispatchEvent (Connection.js:210)
	dispatch (Connection.js:79)
	dispatchMessageFromTarget (TargetManager.js:176)
	dispatchMessageFromTarget (TargetObserver.js:47)
	_dispatchEvent (Connection.js:210)
	dispatch (Connection.js:79)
	dispatch (InspectorBackend.js:231)
	(anonymous function) (MessageDispatcher.js:42)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1680235</commentid>
    <comment_count>1</comment_count>
      <attachid>406576</attachid>
    <who name="Devin Rousso">hi</who>
    <bug_when>2020-08-13 23:51:58 -0700</bug_when>
    <thetext>Created attachment 406576
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1680482</commentid>
    <comment_count>2</comment_count>
      <attachid>406576</attachid>
    <who name="Joseph Pecoraro">joepeck</who>
    <bug_when>2020-08-14 15:40:57 -0700</bug_when>
    <thetext>Comment on attachment 406576
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=406576&amp;action=review

r=me

&gt; Source/WebInspectorUI/ChangeLog:10
&gt; +        Check `this.listItemElement`, which is eqivalent to `WI.View.prototype.didInitialLayout`.

Typo: &quot;eqivalent&quot; =&gt; equivalent

Probably worth saying &quot;equivalent to a didInitialLayout for a TreeElement&quot;.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1680487</commentid>
    <comment_count>3</comment_count>
      <attachid>406631</attachid>
    <who name="Devin Rousso">hi</who>
    <bug_when>2020-08-14 15:43:55 -0700</bug_when>
    <thetext>Created attachment 406631
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1680495</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-08-14 16:09:59 -0700</bug_when>
    <thetext>Committed r265714: &lt;https://trac.webkit.org/changeset/265714&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 406631.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1680496</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-08-14 16:10:19 -0700</bug_when>
    <thetext>&lt;rdar://problem/67104654&gt;</thetext>
  </long_desc>
      
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