| Index: third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js
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| diff --git a/third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js b/third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js
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| index 80095851c8de7638e651bcc4674cf86009698e85..411c67f4fbd4d539af152e29c69ac126688acb08 100644
 | 
| --- a/third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js
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| +++ b/third_party/WebKit/Source/devtools/front_end/sources/ThreadsSidebarPane.js
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| @@ -106,7 +106,7 @@ Sources.ThreadsSidebarPane = class extends UI.VBox {
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|     * @param {!SDK.DebuggerModel} debuggerModel
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|     */
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|    modelAdded(debuggerModel) {
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| -    this._list.pushItem(debuggerModel);
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| +    this._list.source().pushItem(debuggerModel);
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|      var currentTarget = UI.context.flavor(SDK.Target);
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|      if (currentTarget === debuggerModel.target())
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|        this._list.selectItem(debuggerModel);
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| @@ -117,7 +117,7 @@ Sources.ThreadsSidebarPane = class extends UI.VBox {
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|     * @param {!SDK.DebuggerModel} debuggerModel
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|     */
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|    modelRemoved(debuggerModel) {
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| -    this._list.removeItem(debuggerModel);
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| +    this._list.source().removeItem(debuggerModel);
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|    }
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|  
 | 
|    /**
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| 
 |