Add UMA.IsClonedInstall boolean histogram.

components/metrics/metrics_log.cc

Index: components/metrics/metrics_log.cc
diff --git a/components/metrics/metrics_log.cc b/components/metrics/metrics_log.cc
index 0856f31f3b86314788faeb600d7abfd761146962..741ea68545d8a105290e7961451cf599f0baa3aa 100644
--- a/components/metrics/metrics_log.cc
+++ b/components/metrics/metrics_log.cc
@@ -297,6 +297,9 @@ void MetricsLog::RecordStabilityMetrics(
 
 void MetricsLog::RecordGeneralMetrics(
     const std::vector<MetricsProvider*>& metrics_providers) {
+  if (local_state_->GetBoolean(prefs::kMetricsResetIds))
+    UMA_HISTOGRAM_BOOLEAN("UMA.IsClonedInstall", true);
+
   for (size_t i = 0; i < metrics_providers.size(); ++i)
     metrics_providers[i]->ProvideGeneralMetrics(uma_proto());
 }