| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2016 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. |
| --> |
| |
| <link rel="import" href="/tracing/extras/chrome/blame_context/blame_context.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Trace Viewer side's correspondence of Chrome's |
| * content::FrameBlameContext class. |
| * |
| */ |
| tr.exportTo('tr.e.chrome', function() { |
| const BlameContextSnapshot = tr.e.chrome.BlameContextSnapshot; |
| const BlameContextInstance = tr.e.chrome.BlameContextInstance; |
| |
| function RenderFrameSnapshot() { |
| BlameContextSnapshot.apply(this, arguments); |
| } |
| |
| RenderFrameSnapshot.prototype = { |
| __proto__: BlameContextSnapshot.prototype, |
| |
| referencedAt(item, object, field) { |
| if (item instanceof tr.e.chrome.FrameTreeNodeSnapshot && |
| object === item.args && |
| field === 'renderFrame') { |
| this.args.frameTreeNode = item; |
| } |
| }, |
| |
| get frameTreeNode() { |
| if (this.args.frameTreeNode instanceof |
| tr.e.chrome.FrameTreeNodeSnapshot) { |
| return this.args.frameTreeNode; |
| } |
| return undefined; |
| }, |
| |
| get url() { |
| if (this.frameTreeNode) { |
| return this.frameTreeNode.url; |
| } |
| return undefined; |
| }, |
| |
| get userFriendlyName() { |
| return 'RenderFrame'; |
| } |
| }; |
| |
| tr.model.ObjectSnapshot.subTypes.register( |
| RenderFrameSnapshot, |
| {typeName: 'RenderFrame'}); |
| |
| function RenderFrameInstance() { |
| BlameContextInstance.apply(this, arguments); |
| } |
| |
| RenderFrameInstance.prototype = { |
| __proto__: BlameContextInstance.prototype, |
| |
| get blameContextType() { |
| return 'Frame'; |
| } |
| }; |
| |
| tr.model.ObjectInstance.subTypes.register( |
| RenderFrameInstance, |
| {typeName: 'RenderFrame'}); |
| |
| return { |
| RenderFrameSnapshot, |
| RenderFrameInstance, |
| }; |
| }); |
| </script> |
