| Index: chrome/browser/autofill/autofill_profile.cc
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| diff --git a/chrome/browser/autofill/autofill_profile.cc b/chrome/browser/autofill/autofill_profile.cc
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| index 40a749b2e8347fd18f9a6f5b25459a4b28864492..b269865b645a60fa6a1fc423056a3992e73225cb 100644
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| --- a/chrome/browser/autofill/autofill_profile.cc
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| +++ b/chrome/browser/autofill/autofill_profile.cc
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| @@ -379,6 +379,9 @@ bool AutoFillProfile::IsEmpty() const {
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|  }
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|  
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|  void AutoFillProfile::operator=(const AutoFillProfile& source) {
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| +  if (this == &source)
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| +    return;
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| +
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|    label_ = source.label_;
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|    guid_ = source.guid_;
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|  
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| 
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