Use stricter type checking in UMA_HISTOGRAM_ENUMERATION

chrome/browser/metrics/android_metrics_provider.cc

Index: chrome/browser/metrics/android_metrics_provider.cc
diff --git a/chrome/browser/metrics/android_metrics_provider.cc b/chrome/browser/metrics/android_metrics_provider.cc
index 79847f4c9b7d58d2c6efc39178a69c3daaf5154b..d199a3586cfd5e45e18e9e5110ccfa87f9365480 100644
--- a/chrome/browser/metrics/android_metrics_provider.cc
+++ b/chrome/browser/metrics/android_metrics_provider.cc
@@ -144,14 +144,15 @@ void AndroidMetricsProvider::ConvertStabilityPrefsToHistograms() {
     for (int count = 0; count < launch_count; ++count) {
       UMA_STABILITY_HISTOGRAM_ENUMERATION(
           "Chrome.Android.Activity.LaunchCounts",
-          activity_type,
+          static_cast<ActivityTypeIds::Type>(activity_type),
           ActivityTypeIds::ACTIVITY_MAX_VALUE);
     }
 
     for (int count = 0; count < crash_count; ++count) {
-      UMA_STABILITY_HISTOGRAM_ENUMERATION("Chrome.Android.Activity.CrashCounts",
-                                          activity_type,
-                                          ActivityTypeIds::ACTIVITY_MAX_VALUE);
+      UMA_STABILITY_HISTOGRAM_ENUMERATION(
+          "Chrome.Android.Activity.CrashCounts",
+          static_cast<ActivityTypeIds::Type>(activity_type),
+          ActivityTypeIds::ACTIVITY_MAX_VALUE);
     }
   }