| Index: tools/gn/args.h
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| diff --git a/tools/gn/args.h b/tools/gn/args.h
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| index 5abc127d5fcaf36ad48ce3feb24a669a45eb333e..6acebf3de5af0ad4e0e7cb581db53ec784ebdfb4 100644
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| --- a/tools/gn/args.h
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| +++ b/tools/gn/args.h
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| @@ -31,6 +31,10 @@ class Args {
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|    void AddArgOverride(const char* name, const Value& value);
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|    void AddArgOverrides(const Scope::KeyValueMap& overrides);
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|  
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| +  // Returns the value corresponding to the given argument name, or NULL if no
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| +  // argument is set.
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| +  const Value* GetArgOverride(const char* name) const;
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| +
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|    // Sets up the root scope for a toolchain. This applies the default system
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|    // flags, then any overrides stored in this object, then applies any
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|    // toolchain overrides specified in the argument.
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| 
 |