Add more no-compile test for UMA_HISTOGRAM_ENUMERATION

base/metrics/histogram_unittest.nc

Index: base/metrics/histogram_unittest.nc
diff --git a/base/metrics/histogram_unittest.nc b/base/metrics/histogram_unittest.nc
index 6f913e89f1475ca2dfa3a94317eaea2db9f7a674..ec56c85d1cf0590a325b2b26f25e10177ed2b83c 100644
--- a/base/metrics/histogram_unittest.nc
+++ b/base/metrics/histogram_unittest.nc
@@ -17,6 +17,22 @@ void WontCompile() {
   UMA_HISTOGRAM_ENUMERATION("", A, B);
 }
 
+#elif defined(NCTEST_DIFFERENT_ENUM_CLASS)  // [r"\|sample\| and \|boundary\| shouldn't be of different enums"]
+
+void WontCompile() {
+  enum class TypeA { A };
+  enum class TypeB { B };
+  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, TypeB::B);
+}
+
+#elif defined(NCTEST_DIFFERENT_ENUM_MIXED)  // [r"\|sample\| and \|boundary\| shouldn't be of different enums"]
+
+void WontCompile() {
+  enum class TypeA { A };
+  enum TypeB { B };
+  UMA_HISTOGRAM_ENUMERATION("", TypeA::A, B);
+}
+
 #elif defined(NCTEST_NEGATIVE_ENUM_MAX)  // [r'static_assert failed "\|boundary\| is out of range of HistogramBase::Sample"']
 
 void WontCompile() {