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<!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>
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