| Index: tools/gn/label_pattern.cc
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| diff --git a/tools/gn/label_pattern.cc b/tools/gn/label_pattern.cc
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| index e5ea5cf4e326dfa7139275e560a38850e2414fcb..6c8addd5eb8b17fa6c0218f9f9bde715bdd62c04 100644
 | 
| --- a/tools/gn/label_pattern.cc
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| +++ b/tools/gn/label_pattern.cc
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| @@ -132,7 +132,7 @@ LabelPattern LabelPattern::GetPattern(const SourceDir& current_dir,
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|        return LabelPattern();
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|      }
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|      if (str.size() > 3 && str[2] == ':' && IsSlash(str[3]) &&
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| -        IsAsciiAlpha(str[1])) {
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| +        base::IsAsciiAlpha(str[1])) {
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|        // Skip over the drive letter colon.
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|        offset = 3;
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|      }
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| 
 |