DevTools: enable layers pane outside of experiements.

third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
index d02ba92b5bad95837e452a69c19179134c43aaf4..2a620707f5eea228dc5226ab90f4b9d5f7ca0188 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineUIUtils.js
@@ -1632,11 +1632,6 @@ WebInspector.TimelineUIUtils.generateDetailsContentForFrame = function(frameMode
     contentHelper.appendTextRow(WebInspector.UIString("FPS"), Math.floor(1000 / durationInMillis));
     contentHelper.appendTextRow(WebInspector.UIString("CPU time"), Number.millisToString(frame.cpuTime, true));
 
-    if (Runtime.experiments.isEnabled("layersPanel") && frame.layerTree) {
-        contentHelper.appendElementRow(WebInspector.UIString("Layer tree"),
-                                       WebInspector.Linkifier.linkifyUsingRevealer(frame.layerTree, WebInspector.UIString("show")));
-    }
-
     /**
      * @param {!Element} image
      * @param {?string} data