Updating the Chromium reference build for Windows. The continuous...

resources/inspector/heap_profiler_panel.js

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * @fileoverview Heap profiler panel implementation.
- */
-
-WebInspector.ProfilesPanel.prototype.addSnapshot = function(snapshot) {
-    snapshot.title = WebInspector.UIString("Snapshot %d", snapshot.number);
-
-    var snapshots = WebInspector.HeapSnapshotProfileType.snapshots;
-    snapshots.push(snapshot);
-
-    snapshot.listIndex = snapshots.length - 1;
-
-    this.addProfileHeader(WebInspector.HeapSnapshotProfileType.TypeId, snapshot);
-
-    this.dispatchEventToListeners("snapshot added");
-}
-
-
-WebInspector.HeapSnapshotView = function(parent, profile)
-{
-    WebInspector.View.call(this);
-
-    this.element.addStyleClass("heap-snapshot-view");
-
-    this.parent = parent;
-    this.parent.addEventListener("snapshot added", this._updateBaseOptions, this);
-
-    this.showCountAsPercent = true;
-    this.showSizeAsPercent = true;
-    this.showCountDeltaAsPercent = true;
-    this.showSizeDeltaAsPercent = true;
-
-    this.summaryBar = new WebInspector.SummaryBar(this.categories);
-    this.summaryBar.element.id = "heap-snapshot-summary";
-    this.summaryBar.calculator = new WebInspector.HeapSummaryCalculator(profile.used);
-    this.element.appendChild(this.summaryBar.element);
-
-    var columns = { "cons": { title: WebInspector.UIString("Constructor"), disclosure: true, sortable: true },
-                    "count": { title: WebInspector.UIString("Count"), width: "54px", sortable: true },
-                    "size": { title: WebInspector.UIString("Size"), width: "72px", sort: "descending", sortable: true },
-                    "countDelta": { title: WebInspector.UIString("\xb1 Count"), width: "72px", sortable: true },
-                    "sizeDelta": { title: WebInspector.UIString("\xb1 Size"), width: "72px", sortable: true } };
-
-    this.dataGrid = new WebInspector.DataGrid(columns);
-    this.dataGrid.addEventListener("sorting changed", this._sortData, this);
-    this.dataGrid.element.addEventListener("mousedown", this._mouseDownInDataGrid.bind(this), true);
-    this.element.appendChild(this.dataGrid.element);
-
-    this.profile = profile;
-
-    this.baseSelectElement = document.createElement("select");
-    this.baseSelectElement.className = "status-bar-item";
-    this.baseSelectElement.addEventListener("change", this._changeBase.bind(this), false);
-    this._updateBaseOptions();
-    if (this.profile.listIndex > 0)
-        this.baseSelectElement.selectedIndex = this.profile.listIndex - 1;
-    else
-        this.baseSelectElement.selectedIndex = this.profile.listIndex;
-    this._resetDataGridList();
-
-    this.percentButton = new WebInspector.StatusBarButton("", "percent-time-status-bar-item status-bar-item");
-    this.percentButton.addEventListener("click", this._percentClicked.bind(this), false);
-
-    this.refresh();
-
-    this._updatePercentButton();
-};
-
-WebInspector.HeapSnapshotView.prototype = {
-
-    get categories()
-    {
-        return {code: {title: WebInspector.UIString("Code"), color: {r: 255, g: 121, b: 0}}, data: {title: WebInspector.UIString("Objects and Data"), color: {r: 47, g: 102, b: 236}}, other: {title: WebInspector.UIString("Other"), color: {r: 186, g: 186, b: 186}}};
-    },
-
-    get statusBarItems()
-    {
-        return [this.baseSelectElement, this.percentButton.element];
-    },
-
-    get profile()
-    {
-        return this._profile;
-    },
-
-    set profile(profile)
-    {
-        this._profile = profile;
-    },
-
-    show: function(parentElement)
-    {
-        WebInspector.View.prototype.show.call(this, parentElement);
-        this.dataGrid.updateWidths();
-    },
-
-    resize: function()
-    {
-        if (this.dataGrid)
-            this.dataGrid.updateWidths();
-    },
-
-    refresh: function()
-    {
-        this.dataGrid.removeChildren();
-
-        var children = this.snapshotDataGridList.children;
-        var count = children.length;
-        for (var index = 0; index < count; ++index)
-            this.dataGrid.appendChild(children[index]);
-
-        this._updateSummaryGraph();
-    },
-
-    refreshShowAsPercents: function()
-    {
-        this._updatePercentButton();
-        this.refreshVisibleData();
-    },
-
-    refreshVisibleData: function()
-    {
-        var child = this.dataGrid.children[0];
-        while (child) {
-            child.refresh();
-            child = child.traverseNextNode(false, null, true);
-        }
-        this._updateSummaryGraph();
-    },
-
-    _changeBase: function() {
-        if (this.baseSnapshot === WebInspector.HeapSnapshotProfileType.snapshots[this.baseSelectElement.selectedIndex])
-            return;
-
-        this._resetDataGridList();
-        this.refresh();
-    },
-
-    _createSnapshotDataGridList: function()
-    {
-        if (this._snapshotDataGridList)
-          delete this._snapshotDataGridList;
-
-        this._snapshotDataGridList = new WebInspector.HeapSnapshotDataGridList(this, this.baseSnapshot.entries, this.profile.entries);
-        return this._snapshotDataGridList;
-    },
-
-    _mouseDownInDataGrid: function(event)
-    {
-        if (event.detail < 2)
-            return;
-
-        var cell = event.target.enclosingNodeOrSelfWithNodeName("td");
-        if (!cell || (!cell.hasStyleClass("count-column") && !cell.hasStyleClass("size-column") && !cell.hasStyleClass("countDelta-column") && !cell.hasStyleClass("sizeDelta-column")))
-            return;
-
-        if (cell.hasStyleClass("count-column"))
-            this.showCountAsPercent = !this.showCountAsPercent;
-        else if (cell.hasStyleClass("size-column"))
-            this.showSizeAsPercent = !this.showSizeAsPercent;
-        else if (cell.hasStyleClass("countDelta-column"))
-            this.showCountDeltaAsPercent = !this.showCountDeltaAsPercent;
-        else if (cell.hasStyleClass("sizeDelta-column"))
-            this.showSizeDeltaAsPercent = !this.showSizeDeltaAsPercent;
-
-        this.refreshShowAsPercents();
-
-        event.preventDefault();
-        event.stopPropagation();
-    },
-
-    get _isShowingAsPercent()
-    {
-        return this.showCountAsPercent && this.showSizeAsPercent && this.showCountDeltaAsPercent && this.showSizeDeltaAsPercent;
-    },
-
-    _percentClicked: function(event)
-    {
-        var currentState = this._isShowingAsPercent;
-        this.showCountAsPercent = !currentState;
-        this.showSizeAsPercent = !currentState;
-        this.showCountDeltaAsPercent = !currentState;
-        this.showSizeDeltaAsPercent = !currentState;
-        this.refreshShowAsPercents();
-    },
-
-    _resetDataGridList: function()
-    {
-        this.baseSnapshot = WebInspector.HeapSnapshotProfileType.snapshots[this.baseSelectElement.selectedIndex];
-        var lastComparator = WebInspector.HeapSnapshotDataGridList.propertyComparator("size", false);
-        if (this.snapshotDataGridList) {
-            lastComparator = this.snapshotDataGridList.lastComparator;
-        }
-        this.snapshotDataGridList = this._createSnapshotDataGridList();
-        this.snapshotDataGridList.sort(lastComparator, true);
-    },
-
-    _sortData: function()
-    {
-        var sortAscending = this.dataGrid.sortOrder === "ascending";
-        var sortColumnIdentifier = this.dataGrid.sortColumnIdentifier;
-        var sortProperty = {
-                "cons": "constructorName",
-                "count": "count",
-                "size": "size",
-                "countDelta": this.showCountDeltaAsPercent ? "countDeltaPercent" : "countDelta",
-                "sizeDelta": this.showSizeDeltaAsPercent ? "sizeDeltaPercent" : "sizeDelta"
-        }[sortColumnIdentifier];
-
-        this.snapshotDataGridList.sort(WebInspector.HeapSnapshotDataGridList.propertyComparator(sortProperty, sortAscending));
-
-        this.refresh();
-    },
-
-    _updateBaseOptions: function()
-    {
-        var list = WebInspector.HeapSnapshotProfileType.snapshots;
-        // We're assuming that snapshots can only be added.
-        if (this.baseSelectElement.length == list.length)
-            return;
-
-        for (var i = this.baseSelectElement.length, n = list.length; i < n; ++i) {
-            var baseOption = document.createElement("option");
-            baseOption.label = WebInspector.UIString("Compared to %s", list[i].title);
-            this.baseSelectElement.appendChild(baseOption);
-        }
-    },
-
-    _updatePercentButton: function()
-    {
-        if (this._isShowingAsPercent) {
-            this.percentButton.title = WebInspector.UIString("Show absolute counts and sizes.");
-            this.percentButton.toggled = true;
-        } else {
-            this.percentButton.title = WebInspector.UIString("Show counts and sizes as percentages.");
-            this.percentButton.toggled = false;
-        }
-    },
-
-    _updateSummaryGraph: function()
-    {
-        this.summaryBar.calculator.showAsPercent = this._isShowingAsPercent;
-        this.summaryBar.update(this.profile.lowlevels);
-    }
-};
-
-WebInspector.HeapSnapshotView.prototype.__proto__ = WebInspector.View.prototype;
-
-WebInspector.HeapSummaryCalculator = function(total)
-{
-    this.total = total;
-}
-
-WebInspector.HeapSummaryCalculator.prototype = {
-    computeSummaryValues: function(lowLevels)
-    {
-        function highFromLow(type) {
-            if (type == "CODE_TYPE" || type == "SHARED_FUNCTION_INFO_TYPE" || type == "SCRIPT_TYPE") return "code";
-            if (type == "STRING_TYPE" || type == "HEAP_NUMBER_TYPE" || type.match(/^JS_/) || type.match(/_ARRAY_TYPE$/)) return "data";
-            return "other";
-        }
-        var highLevels = {data: 0, code: 0, other: 0};
-        for (var item in lowLevels) {
-            var highItem = highFromLow(item);
-            highLevels[highItem] += lowLevels[item].size;
-        }
-        return {categoryValues: highLevels};
-    },
-
-    formatValue: function(value)
-    {
-        if (this.showAsPercent)
-            return WebInspector.UIString("%.2f%%", value / this.total * 100.0);
-        else
-            return Number.bytesToString(value);
-    },
-
-    get showAsPercent()
-    {
-        return this._showAsPercent;
-    },
-
-    set showAsPercent(x)
-    {
-        this._showAsPercent = x;
-    }
-}
-
-WebInspector.HeapSnapshotSidebarTreeElement = function(snapshot)
-{
-    this.profile = snapshot;
-
-    WebInspector.SidebarTreeElement.call(this, "heap-snapshot-sidebar-tree-item", "", "", snapshot, false);
-
-    this.refreshTitles();
-};
-
-WebInspector.HeapSnapshotSidebarTreeElement.prototype = {
-    get mainTitle()
-    {
-        if (this._mainTitle)
-            return this._mainTitle;
-        return this.profile.title;
-    },
-
-    set mainTitle(x)
-    {
-        this._mainTitle = x;
-        this.refreshTitles();
-    },
-
-    get subtitle()
-    {
-        if (this._subTitle)
-            return this._subTitle;
-        return WebInspector.UIString("Used %s of %s (%.0f%%)", Number.bytesToString(this.profile.used, null, false), Number.bytesToString(this.profile.capacity, null, false), this.profile.used / this.profile.capacity * 100.0);
-    },
-
-    set subtitle(x)
-    {
-        this._subTitle = x;
-        this.refreshTitles();
-    }
-};
-
-WebInspector.HeapSnapshotSidebarTreeElement.prototype.__proto__ = WebInspector.ProfileSidebarTreeElement.prototype;
-
-WebInspector.HeapSnapshotDataGridNodeWithRetainers = function(owningTree)
-{
-    this.tree = owningTree;
-
-    WebInspector.DataGridNode.call(this, null, this._hasRetainers);
-
-    this.addEventListener("populate", this._populate, this);
-};
-
-WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype = {
-    isEmptySet: function(set)
-    {
-        for (var x in set)
-            return false;
-        return true;
-    },
-
-    get _hasRetainers()
-    {
-        return !this.isEmptySet(this.retainers);
-    },
-
-    get _parent()
-    {
-        // For top-level nodes, return owning tree as a parent, not data grid.
-        return this.parent !== this.dataGrid ? this.parent : this.tree;
-    },
-
-    _populate: function(event)
-    {
-        var self = this;
-        this.produceDiff(this.baseRetainers, this.retainers, function(baseItem, snapshotItem) {
-            self.appendChild(new WebInspector.HeapSnapshotDataGridRetainerNode(self.snapshotView, baseItem, snapshotItem, self.tree));
-        });
-
-        if (this._parent) {
-            var currentComparator = this._parent.lastComparator;
-            if (currentComparator)
-                this.sort(currentComparator, true);
-        }
-
-        this.removeEventListener("populate", this._populate, this);
-    },
-
-    produceDiff: function(baseEntries, currentEntries, callback)
-    {
-        for (var item in currentEntries)
-            callback(baseEntries[item], currentEntries[item]);
-
-        for (item in baseEntries) {
-            if (!(item in currentEntries))
-                callback(baseEntries[item], null);
-        }
-    },
-
-    sort: function(comparator, force) {
-        if (!force && this.lastComparator === comparator)
-            return;
-
-        this.children.sort(comparator);
-        var childCount = this.children.length;
-        for (var childIndex = 0; childIndex < childCount; ++childIndex)
-            this.children[childIndex]._recalculateSiblings(childIndex);
-        for (var i = 0; i < this.children.length; ++i) {
-            var child = this.children[i];
-            if (!force && (!child.expanded || child.lastComparator === comparator))
-                continue;
-            child.sort(comparator, force);
-        }
-        this.lastComparator = comparator;
-    },
-
-    signForDelta: function(delta) {
-        if (delta == 0)
-            return "";
-        if (delta > 0)
-            return "+";
-        else
-            // Math minus sign, same width as plus.
-            return "\u2212";
-    },
-
-    showDeltaAsPercent: function(value) {
-        if (value === Number.POSITIVE_INFINITY)
-            return WebInspector.UIString("new");
-        else if (value === Number.NEGATIVE_INFINITY)
-            return WebInspector.UIString("deleted");
-        if (value > 1000.0)
-            return WebInspector.UIString("%s >1000%%", this.signForDelta(value));
-        return WebInspector.UIString("%s%.2f%%", this.signForDelta(value), Math.abs(value));
-    },
-
-    getTotalCount: function() {
-        if (!this._count) {
-            this._count = 0;
-            for (var i = 0, n = this.children.length; i < n; ++i) {
-                this._count += this.children[i].count;
-            }
-        }
-        return this._count;
-    },
-
-    getTotalSize: function() {
-        if (!this._size) {
-            this._size = 0;
-            for (var i = 0, n = this.children.length; i < n; ++i) {
-                this._size += this.children[i].size;
-            }
-        }
-        return this._size;
-    },
-
-    get countPercent()
-    {
-        return this.count / this._parent.getTotalCount() * 100.0;
-    },
-
-    get sizePercent()
-    {
-        return this.size / this._parent.getTotalSize() * 100.0;
-    },
-
-    get countDeltaPercent()
-    {
-        if (this.baseCount > 0) {
-            if (this.count > 0)
-                return this.countDelta / this.baseCount * 100.0;
-            else
-                return Number.NEGATIVE_INFINITY;
-        } else
-            return Number.POSITIVE_INFINITY;
-    },
-
-    get sizeDeltaPercent()
-    {
-        if (this.baseSize > 0) {
-            if (this.size > 0)
-                return this.sizeDelta / this.baseSize * 100.0;
-            else
-                return Number.NEGATIVE_INFINITY;
-        } else
-            return Number.POSITIVE_INFINITY;
-    },
-
-    getData: function(showSize)
-    {
-        var data = {};
-
-        data["cons"] = this.constructorName;
-
-        if (this.snapshotView.showCountAsPercent)
-            data["count"] = WebInspector.UIString("%.2f%%", this.countPercent);
-        else
-            data["count"] = this.count;
-
-        if (showSize) {
-            if (this.snapshotView.showSizeAsPercent)
-                data["size"] = WebInspector.UIString("%.2f%%", this.sizePercent);
-            else
-                data["size"] = Number.bytesToString(this.size);
-        } else {
-            data["size"] = "";
-        }
-
-        if (this.snapshotView.showCountDeltaAsPercent)
-            data["countDelta"] = this.showDeltaAsPercent(this.countDeltaPercent);
-        else
-            data["countDelta"] = WebInspector.UIString("%s%d", this.signForDelta(this.countDelta), Math.abs(this.countDelta));
-
-        if (showSize) {
-            if (this.snapshotView.showSizeDeltaAsPercent)
-                data["sizeDelta"] = this.showDeltaAsPercent(this.sizeDeltaPercent);
-            else
-                data["sizeDelta"] = WebInspector.UIString("%s%s", this.signForDelta(this.sizeDelta), Number.bytesToString(Math.abs(this.sizeDelta)));
-        } else {
-            data["sizeDelta"] = "";
-        }
-
-        return data;
-    }
-};
-
-WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype.__proto__ = WebInspector.DataGridNode.prototype;
-
-WebInspector.HeapSnapshotDataGridNode = function(snapshotView, baseEntry, snapshotEntry, owningTree)
-{
-    this.snapshotView = snapshotView;
-
-    if (!snapshotEntry)
-        snapshotEntry = { cons: baseEntry.cons, count: 0, size: 0, retainers: {} };
-    this.constructorName = snapshotEntry.cons;
-    this.count = snapshotEntry.count;
-    this.size = snapshotEntry.size;
-    this.retainers = snapshotEntry.retainers;
-
-    if (!baseEntry)
-        baseEntry = { count: 0, size: 0, retainers: {} };
-    this.baseCount = baseEntry.count;
-    this.countDelta = this.count - this.baseCount;
-    this.baseSize = baseEntry.size;
-    this.sizeDelta = this.size - this.baseSize;
-    this.baseRetainers = baseEntry.retainers;
-
-    WebInspector.HeapSnapshotDataGridNodeWithRetainers.call(this, owningTree);
-};
-
-WebInspector.HeapSnapshotDataGridNode.prototype = {
-    get data()
-    {
-        return this.getData(true);
-    }
-};
-
-WebInspector.HeapSnapshotDataGridNode.prototype.__proto__ = WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype;
-
-WebInspector.HeapSnapshotDataGridList = function(snapshotView, baseEntries, snapshotEntries)
-{
-    this.tree = this;
-    this.snapshotView = snapshotView;
-    this.children = [];
-    this.lastComparator = null;
-    this.populateChildren(baseEntries, snapshotEntries);
-};
-
-WebInspector.HeapSnapshotDataGridList.prototype = {
-    appendChild: function(child)
-    {
-        this.insertChild(child, this.children.length);
-    },
-
-    insertChild: function(child, index)
-    {
-        this.children.splice(index, 0, child);
-    },
-
-    removeChildren: function()
-    {
-        this.children = [];
-    },
-
-    populateChildren: function(baseEntries, snapshotEntries)
-    {
-        var self = this;
-        this.produceDiff(baseEntries, snapshotEntries, function(baseItem, snapshotItem) {
-            self.appendChild(new WebInspector.HeapSnapshotDataGridNode(self.snapshotView, baseItem, snapshotItem, self));
-        });
-    },
-
-    produceDiff: WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype.produceDiff,
-    sort: WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype.sort,
-    getTotalCount: WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype.getTotalCount,
-    getTotalSize: WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype.getTotalSize
-};
-
-WebInspector.HeapSnapshotDataGridList.propertyComparators = [{}, {}];
-
-WebInspector.HeapSnapshotDataGridList.propertyComparator = function(property, isAscending)
-{
-    var comparator = this.propertyComparators[(isAscending ? 1 : 0)][property];
-    if (!comparator) {
-        comparator = function(lhs, rhs) {
-            var l = lhs[property], r = rhs[property];
-            var result = l < r ? -1 : (l > r ? 1 : 0);
-            return isAscending ? result : -result;
-        };
-        this.propertyComparators[(isAscending ? 1 : 0)][property] = comparator;
-    }
-    return comparator;
-};
-
-WebInspector.HeapSnapshotDataGridRetainerNode = function(snapshotView, baseEntry, snapshotEntry, owningTree)
-{
-    this.snapshotView = snapshotView;
-
-    if (!snapshotEntry)
-        snapshotEntry = { cons: baseEntry.cons, count: 0, clusters: {} };
-    this.constructorName = snapshotEntry.cons;
-    this.count = snapshotEntry.count;
-    this.retainers = this._calculateRetainers(this.snapshotView.profile, snapshotEntry.clusters);
-
-    if (!baseEntry)
-        baseEntry = { count: 0, clusters: {} };
-    this.baseCount = baseEntry.count;
-    this.countDelta = this.count - this.baseCount;
-    this.baseRetainers = this._calculateRetainers(this.snapshotView.baseSnapshot, baseEntry.clusters);
-
-    this.size = this.count;  // This way, when sorting by sizes entries will be sorted by references count.
-
-    WebInspector.HeapSnapshotDataGridNodeWithRetainers.call(this, owningTree);
-}
-
-WebInspector.HeapSnapshotDataGridRetainerNode.prototype = {
-    get data()
-    {
-        return this.getData(false);
-    },
-
-    _calculateRetainers: function(snapshot, clusters) {
-        var retainers = {};
-        if (this.isEmptySet(clusters)) {
-            if (this.constructorName in snapshot.entries)
-                return snapshot.entries[this.constructorName].retainers;
-        } else {
-            // In case when an entry is retained by clusters, we need to gather up the list
-            // of retainers by merging retainers of every cluster.
-            // E.g. having such a tree:
-            //   A
-            //     Object:1  10
-            //       X       3
-            //       Y       4
-            //     Object:2  5
-            //       X       6
-            //
-            // will result in a following retainers list: X 9, Y 4.
-            for (var clusterName in clusters) {
-                if (clusterName in snapshot.clusters) {
-                    var clusterRetainers = snapshot.clusters[clusterName].retainers;
-                    for (var clusterRetainer in clusterRetainers) {
-                        var clusterRetainerEntry = clusterRetainers[clusterRetainer];
-                        if (!(clusterRetainer in retainers))
-                            retainers[clusterRetainer] = { cons: clusterRetainerEntry.cons, count: 0, clusters: {} };
-                        retainers[clusterRetainer].count += clusterRetainerEntry.count;
-                        for (var clusterRetainerCluster in clusterRetainerEntry.clusters)
-                            retainers[clusterRetainer].clusters[clusterRetainerCluster] = true;
-                    }
-                }
-            }
-        }
-        return retainers;
-    }
-};
-
-WebInspector.HeapSnapshotDataGridRetainerNode.prototype.__proto__ = WebInspector.HeapSnapshotDataGridNodeWithRetainers.prototype;
-
-
-WebInspector.HeapSnapshotProfileType = function()
-{
-    WebInspector.ProfileType.call(this, WebInspector.HeapSnapshotProfileType.TypeId, WebInspector.UIString("HEAP SNAPSHOTS"));
-}
-
-WebInspector.HeapSnapshotProfileType.TypeId = "HEAP";
-
-WebInspector.HeapSnapshotProfileType.snapshots = [];
-
-WebInspector.HeapSnapshotProfileType.prototype = {
-    get buttonTooltip()
-    {
-        return WebInspector.UIString("Take heap snapshot.");
-    },
-
-    get buttonStyle()
-    {
-        return "heap-snapshot-status-bar-item status-bar-item";
-    },
-
-    buttonClicked: function()
-    {
-        InspectorController.takeHeapSnapshot();
-    },
-
-    createSidebarTreeElementForProfile: function(profile)
-    {
-        var element = new WebInspector.HeapSnapshotSidebarTreeElement(profile);
-        element.small = false;
-        return element;
-    },
-
-    createView: function(profile)
-    {
-        return new WebInspector.HeapSnapshotView(WebInspector.panels.profiles, profile);
-    }
-}
-
-WebInspector.HeapSnapshotProfileType.prototype.__proto__ = WebInspector.ProfileType.prototype;
-
-
-(function() {
-    var originalCreatePanels = WebInspector._createPanels;
-    WebInspector._createPanels = function() {
-        originalCreatePanels.apply(this, arguments);
-        if (WebInspector.panels.profiles)
-            WebInspector.panels.profiles.registerProfileType(new WebInspector.HeapSnapshotProfileType());
-    }
-})();