| Index: chrome/browser/metrics/metrics_service.cc
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| diff --git a/chrome/browser/metrics/metrics_service.cc b/chrome/browser/metrics/metrics_service.cc
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| index 3d80b778df71073c49595357c6d850fd8f147b19..303adb046ffbb9b456dcba173b343c25d46a6ba3 100644
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| --- a/chrome/browser/metrics/metrics_service.cc
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| +++ b/chrome/browser/metrics/metrics_service.cc
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| @@ -436,7 +436,7 @@ class MetricsMemoryDetails : public MemoryDetails {
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|  };
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|  
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|  // static
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| -void MetricsService::RegisterPrefs(PrefService* local_state) {
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| +void MetricsService::RegisterPrefs(PrefServiceSimple* local_state) {
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|    DCHECK(IsSingleThreaded());
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|    local_state->RegisterStringPref(prefs::kMetricsClientID, "");
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|    local_state->RegisterIntegerPref(prefs::kMetricsLowEntropySource,
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| 
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