third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js - Issue 1463143005: DevTools: avoid layout thrashing on Layers panel

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Unified Diff: third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js

Issue 1463143005: DevTools: avoid layout thrashing on Layers panel (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: extracted reveal() change Created 5 years, 1 month ago

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Index: third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js

diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js b/third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js

index 50b6536fa098976baf3f5a4b3eafa924df48aedf..25590bdcad27ffca65b22b889002268b3d937a96 100644

--- a/third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js

+++ b/third_party/WebKit/Source/devtools/front_end/timeline/LayerTreeOutline.js

@@ -127,7 +127,7 @@ WebInspector.LayerTreeOutline.prototype = {

// Skip till nearest visible ancestor.

while (parentLayer && parentLayer !== root && !parentLayer.drawsContent() && !showInternalLayers)

parentLayer = parentLayer.parent();

- var parent = layer === root ? this._treeOutline : parentLayer[WebInspector.LayerTreeElement._symbol];

+ var parent = layer === root ? this._treeOutline.rootElement() : parentLayer[WebInspector.LayerTreeElement._symbol];

if (!parent) {

console.assert(false, "Parent is not in the tree");

return;

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