| Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineHistoryManager.js
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| diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineHistoryManager.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineHistoryManager.js
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| index 68ffb79f8765752401a1202bf9a1d7694d8acc41..8e2522b544452d8c95872a24f3c79071613ddc64 100644
 | 
| --- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineHistoryManager.js
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| +++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineHistoryManager.js
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| @@ -253,9 +253,10 @@ Timeline.TimelineHistoryManager.DropDown = class {
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|          UI.createShadowRootWithCoreStyles(this._glassPane.contentElement, 'timeline/timelineHistoryManager.css');
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|      var contentElement = shadowRoot.createChild('div', 'drop-down');
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|  
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| -    this._listControl = new UI.ListControl(this, UI.ListMode.NonViewport);
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| +    var listModel = new UI.ListModel();
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| +    this._listControl = new UI.ListControl(listModel, this, UI.ListMode.NonViewport);
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|      this._listControl.element.addEventListener('mousemove', this._onMouseMove.bind(this), false);
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| -    this._listControl.replaceAllItems(models);
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| +    listModel.replaceAllItems(models);
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|  
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|      contentElement.appendChild(this._listControl.element);
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|      contentElement.addEventListener('keydown', this._onKeyDown.bind(this), false);
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| 
 |