- Change "static final" to "static const" in the

pkg/unittest/mock.dart

Index: pkg/unittest/mock.dart
===================================================================
--- pkg/unittest/mock.dart	(revision 11633)
+++ pkg/unittest/mock.dart	(working copy)
@@ -41,21 +41,21 @@
 /**
  * [_noArg] is a sentinel value representing no argument.
  */
-final _noArg = const _Sentinel();
+const _noArg = const _Sentinel();
 
 /** The ways in which a call to a mock method can be handled. */
 class Action {
   /** Do nothing (void method) */
-  static final IGNORE = const Action._('IGNORE');
+  static const IGNORE = const Action._('IGNORE');
 
   /** Return a supplied value. */
-  static final RETURN = const Action._('RETURN');
+  static const RETURN = const Action._('RETURN');
 
   /** Throw a supplied value. */
-  static final THROW = const Action._('THROW');
+  static const THROW = const Action._('THROW');
 
   /** Call a supplied function. */
-  static final PROXY = const Action._('PROXY');
+  static const PROXY = const Action._('PROXY');
 
   const Action._(this.name);
 
@@ -901,16 +901,16 @@
 }
 
 /** [neverHappened] matches zero calls. */
-final Matcher neverHappened = const _TimesMatcher(0, 0);
+const Matcher neverHappened = const _TimesMatcher(0, 0);
 
 /** [happenedOnce] matches exactly one call. */
-final Matcher happenedOnce = const _TimesMatcher(1, 1);
+const Matcher happenedOnce = const _TimesMatcher(1, 1);
 
 /** [happenedAtLeastOnce] matches one or more calls. */
-final Matcher happenedAtLeastOnce = const _TimesMatcher(1);
+const Matcher happenedAtLeastOnce = const _TimesMatcher(1);
 
 /** [happenedAtMostOnce] matches zero or one call. */
-final Matcher happenedAtMostOnce = const _TimesMatcher(0, 1);
+const Matcher happenedAtMostOnce = const _TimesMatcher(0, 1);
 
 /**
  * [_ResultMatcher]s are used to make assertions about the results
@@ -972,13 +972,13 @@
 /** Special values for use with [_ResultSetMatcher] [frequency]. */
 class _Frequency {
   /** Every call/throw must match */
-  static final ALL = const _Frequency._('ALL');
+  static const ALL = const _Frequency._('ALL');
 
   /** At least one call/throw must match. */
-  static final SOME = const _Frequency._('SOME');
+  static const SOME = const _Frequency._('SOME');
 
   /** No calls/throws should match. */
-  static final NONE = const _Frequency._('NONE');
+  static const NONE = const _Frequency._('NONE');
 
   const _Frequency._(this.name);