Import Cobalt 21.master.0.301323
diff --git a/src/third_party/v8/tools/system-analyzer/timeline-panel-template.html b/src/third_party/v8/tools/system-analyzer/timeline-panel-template.html
new file mode 100644
index 0000000..2641c71
--- /dev/null
+++ b/src/third_party/v8/tools/system-analyzer/timeline-panel-template.html
@@ -0,0 +1,13 @@
+<!-- Copyright 2020 the V8 project authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file. -->
+
+<head>
+ <link href="./index.css" rel="stylesheet">
+</head>
+<div class="panel">
+ <h2>Timeline Panel</h2>
+ <div>
+ <slot></slot>
+ </div>
+</div>
