| Index: tools/gn/header_checker.cc
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| diff --git a/tools/gn/header_checker.cc b/tools/gn/header_checker.cc
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| index 665be9492501326b67bc3ed9f9a62e688f574e28..d05524381a5e583fd663c303aff4d62d76df6f39 100644
 | 
| --- a/tools/gn/header_checker.cc
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| +++ b/tools/gn/header_checker.cc
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| @@ -37,7 +37,7 @@ struct PublicGeneratedPair {
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|  SourceFile RemoveRootGenDirFromFile(const Target* target,
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|                                      const SourceFile& file) {
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|    const SourceDir& gen = target->settings()->toolchain_gen_dir();
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| -  if (!gen.is_null() && StartsWithASCII(file.value(), gen.value(), true))
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| +  if (!gen.is_null() && base::StartsWithASCII(file.value(), gen.value(), true))
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|      return SourceFile("//" + file.value().substr(gen.value().size()));
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|    return file;
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|  }
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| 
 |