Remove HeapSnapshot._markInvisibleEdges

The method is a noop as we first collect names of shortcut edges and then iterate through all non-shortcuts whose names are also in the collection.

BUG=None

Review URL: https://codereview.chromium.org/204913005

git-svn-id: svn://svn.chromium.org/blink/trunk@169657 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/HeapSnapshot.js

@@ -951,8 +951,6 @@ WebInspector.HeapSnapshot.prototype = {
 
         this._progress.updateStatus("Building edge indexes\u2026");
         this._buildEdgeIndexes();
-        this._progress.updateStatus("Marking invisible edges\u2026");
-        this._markInvisibleEdges();
         this._progress.updateStatus("Building retainers\u2026");
         this._buildRetainers();
         this._progress.updateStatus("Calculating node flags\u2026");
@@ -1737,11 +1735,6 @@ WebInspector.HeapSnapshot.prototype = {
         }
     },
 
-    _markInvisibleEdges: function()
-    {
-        throw new Error("Not implemented");
-    },
-
     _calculateFlags: function()
     {
         throw new Error("Not implemented");

third_party/WebKit/Source/devtools/front_end/JSHeapSnapshot.js

@@ -125,33 +125,6 @@ WebInspector.JSHeapSnapshot.prototype = {
         delete this._flags;
     },
 
-    _markInvisibleEdges: function()
-    {
-        // Mark hidden edges of global objects as invisible.
-        // FIXME: This is a temporary measure. Normally, we should
-        // really hide all hidden nodes.
-        for (var iter = this.rootNode().edges(); iter.hasNext(); iter.next()) {
-            var edge = iter.edge;
-            if (!edge.isShortcut())
-                continue;
-            var node = edge.node();
-            var propNames = {};
-            for (var innerIter = node.edges(); innerIter.hasNext(); innerIter.next()) {
-                var globalObjEdge = innerIter.edge;
-                if (globalObjEdge.isShortcut())
-                    propNames[globalObjEdge._nameOrIndex()] = true;
-            }
-            for (var innerIter = node.edges(); innerIter.hasNext(); innerIter.next()) {
-                var globalObjEdge = innerIter.edge;
-                if (!globalObjEdge.isShortcut()
-                    && globalObjEdge.node().isHidden()
-                    && globalObjEdge._hasStringName()
-                    && (globalObjEdge._nameOrIndex() in propNames))
-                    globalObjEdge._edges[globalObjEdge.edgeIndex + this._edgeTypeOffset] = this._edgeInvisibleType;
-            }
-        }
-    },
-
     _calculateFlags: function()
     {
         this._flags = new Uint32Array(this.nodeCount);