1. Open new tab with inspector 2. Navigate to gmail.com Exception: Uncaught TypeError: Cannot call method '_rememberTreeElement' of null TreeOutline._insertChildtreeoutline.js:116 WebInspector.ResourcesPanel.addResourceToFrameResourcesPanel.js:244 WebInspector.ResourceTreeModel.addResourceToFrameResourceTreeModel.js:85 WebInspector.NetworkManager.didReceiveResponseNetworkManager.js:156 InspectorBackendStub.dispatchInspectorBackendStub.js:198 TreeOutline._insertChildtreeoutline.js:116 WebInspector.ResourcesPanel.addResourceToFrameResourcesPanel.js:244 WebInspector.ResourceTreeModel.addResourceToFrameResourceTreeModel.js:85 WebInspector.ResourceTreeModel._addFramesRecursivelyResourceTreeModel.js:229 WebInspector.ResourceTreeModel._processCachedResourcesResourceTreeModel.js:215 boundutilities.js:38 InspectorBackendStub._processResponseInspectorBackendStub.js:113 InspectorBackendStub.dispatchInspectorBackendStub.js:180
Fixed by http://trac.webkit.org/changeset/77480.