Report errors and warnings for hiding elements, issue 572.

client/samples/total/src/DateTimeUtils.dart

Index: client/samples/total/src/DateTimeUtils.dart
diff --git a/client/samples/total/src/DateTimeUtils.dart b/client/samples/total/src/DateTimeUtils.dart
index 6bed33bb2a6a89b5e8747217804898a606afc358..d0a3cb725329e4290097a346045d48bab30c860c 100644
--- a/client/samples/total/src/DateTimeUtils.dart
+++ b/client/samples/total/src/DateTimeUtils.dart
@@ -63,8 +63,8 @@ class DateUtils {
 
   // Return the number of days between 1899-12-30 and the current time.
   static double now() {
-    Date now = new Date.now();
-    int milliseconds = now.difference(EPOCH).inMilliseconds;
+    Date nowDate = new Date.now();
+    int milliseconds = nowDate.difference(EPOCH).inMilliseconds;
     milliseconds += MILLISECONDS_PER_HOUR; // FIXME - something is one hour behind
     double days = milliseconds / MILLISECONDS_PER_DAY;
     return days;
@@ -78,8 +78,8 @@ class DateUtils {
     if (m != null) {
       int month = _parseInt(m[1]);
       int day = _parseInt(m[2]);
-      Date now = new Date.now();
-      int thisYear = now.year;
+      Date nowDate = new Date.now();
+      int thisYear = nowDate.year;
       Date dateTime = new Date(thisYear, month, day, 0, 0, 0, 0);
       int milliseconds = dateTime.difference(EPOCH).inMilliseconds;
       milliseconds += MILLISECONDS_PER_HOUR; // FIXME - something is one hour behind