| Index: tracing/tracing/ui/base/container_that_decorates_its_children.html
 | 
| diff --git a/tracing/tracing/ui/base/container_that_decorates_its_children.html b/tracing/tracing/ui/base/container_that_decorates_its_children.html
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| index 11ed53a5fda8a7cb8ced6075b154f7b608fec8eb..f1605b6dd5079678851257e794c3e3eec864ab36 100644
 | 
| --- a/tracing/tracing/ui/base/container_that_decorates_its_children.html
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| +++ b/tracing/tracing/ui/base/container_that_decorates_its_children.html
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| @@ -35,7 +35,7 @@ tr.exportTo('tr.ui.b', function() {
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|      },
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|  
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|      appendChild: function(x) {
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| -      HTMLUnknownElement.prototype.appendChild.call(this, x);
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| +      Polymer.dom(HTMLUnknownElement.prototype).appendChild.call(this, x);
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|        this.didMutate_(this.observer_.takeRecords());
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|      },
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|  
 | 
| 
 |