| Index: sdk/lib/convert/html_escape.dart
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| diff --git a/sdk/lib/convert/html_escape.dart b/sdk/lib/convert/html_escape.dart
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| index 48b3d574a39cccdede88b8f40033175596409f46..512d9c31f2bf4da229779f9a6dba2d21d6869946 100644
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| --- a/sdk/lib/convert/html_escape.dart
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| +++ b/sdk/lib/convert/html_escape.dart
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| @@ -72,9 +72,7 @@ class HtmlEscape extends Converter<String, String> {
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|      return result != null ? result.toString() : null;
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|    }
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|  
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| -  StringConversionSink startChunkedConversion(
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| -    ChunkedConversionSink<String> sink) {
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| -
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| +  StringConversionSink startChunkedConversion(Sink<String> sink) {
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|      if (sink is! StringConversionSink) {
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|        sink = new StringConversionSink.from(sink);
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|      }
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| 
 |