Timeline: add reference to root node of layer in Rasterize event

Source/devtools/front_end/TimelinePresentationModel.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 601 matching lines @@
         else
             parentRecord.children.push(this);
     }
     if (origin)
         this._origin = origin;
 
     this._selfTime = this.endTime - this.startTime;
     this._lastChildEndTime = this.endTime;
     this._startTimeOffset = this.startTime - presentationModel._minimumRecordTime;
 
-    if (record.data && record.data["url"])
-        this.url = record.data["url"];
+    if (record.data) {
+        if (record.data["url"])
+            this.url = record.data["url"];
+        if (record.data["layerRootNode"])
+            this._relatedBackendNodeId = record.data["layerRootNode"];
+    }
     if (scriptDetails) {
         this.scriptName = scriptDetails.scriptName;
         this.scriptLine = scriptDetails.scriptLine;
     }
     if (parentRecord && parentRecord.callSiteStackTrace)
         this.callSiteStackTrace = parentRecord.callSiteStackTrace;
 
     var recordTypes = WebInspector.TimelineModel.RecordType;
     switch (record.type) {
     case recordTypes.ResourceSendRequest:
@@ skipping 114 matching lines @@
             this.callSiteStackTrace = layoutInvalidateStack;
         if (this.stackTrace)
             this.setHasWarning();
         presentationModel._layoutInvalidateStack[this.frameId] = null;
         this.highlightQuad = record.data.root || WebInspector.TimelinePresentationModel.quadFromRectData(record.data);
         this._relatedBackendNodeId = record.data["rootNode"];
         break;
 
     case recordTypes.Paint:
         this.highlightQuad = record.data.clip || WebInspector.TimelinePresentationModel.quadFromRectData(record.data);
-        this._relatedBackendNodeId = record.data["layerRootNode"];
         break;
 
     case recordTypes.WebSocketCreate:
         this.webSocketURL = record.data["url"];
         if (typeof record.data["webSocketProtocol"] !== "undefined")
             this.webSocketProtocol = record.data["webSocketProtocol"];
         presentationModel._webSocketCreateRecords[record.data["identifier"]] = this;
         break;
    
     case recordTypes.WebSocketSendHandshakeRequest:
@@ skipping 301 matching lines @@
                     var clipWidth = WebInspector.TimelinePresentationModel.quadWidth(clip);
                     var clipHeight = WebInspector.TimelinePresentationModel.quadHeight(clip);
                     contentHelper.appendTextRow(WebInspector.UIString("Dimensions"), WebInspector.UIString("%d × %d", clipWidth, clipHeight));
                 } else {
                     // Backward compatibility: older version used x, y, width, height fields directly in data.
                     if (typeof this.data["x"] !== "undefined" && typeof this.data["y"] !== "undefined")
                         contentHelper.appendTextRow(WebInspector.UIString("Location"), WebInspector.UIString("(%d, %d)", this.data["x"], this.data["y"]));
                     if (typeof this.data["width"] !== "undefined" && typeof this.data["height"] !== "undefined")
                         contentHelper.appendTextRow(WebInspector.UIString("Dimensions"), WebInspector.UIString("%d\u2009\u00d7\u2009%d", this.data["width"], this.data["height"]));
                 }
+                // Fall-through intended.
+
+            case recordTypes.Rasterize:
                 if (this._relatedNode)
                     contentHelper.appendElementRow(WebInspector.UIString("Layer root"), this._createNodeAnchor(this._relatedNode));
                 break;
             case recordTypes.RecalculateStyles: // We don't want to see default details.
                 if (this.data["elementCount"])
                     contentHelper.appendTextRow(WebInspector.UIString("Elements affected"), this.data["elementCount"]);
                 callStackLabel = WebInspector.UIString("Styles recalculation forced");
                 break;
             case recordTypes.Layout:
                 if (this.data["dirtyObjects"])
@@ skipping 438 matching lines @@
     },
 
     set hidden(hidden)
     {
         this._hidden = hidden;
         this.dispatchEventToListeners(WebInspector.TimelineCategory.Events.VisibilityChanged, this);
     },
 
     __proto__: WebInspector.Object.prototype
 }