Migrate block 6 to Dart 2.0.

tests/corelib/corelib.status

Index: tests/corelib/corelib.status
diff --git a/tests/corelib/corelib.status b/tests/corelib/corelib.status
index f759dfc909a744ed4f5cfc8d259078e06748ed49..98d20f47f5ec3bf12f4bd3fb5487768e5ce21a0b 100644
--- a/tests/corelib/corelib.status
+++ b/tests/corelib/corelib.status
@@ -48,7 +48,6 @@ symbol_reserved_word_test/10: MissingCompileTimeError # bug 11669, 19972
 symbol_reserved_word_test/03: RuntimeError # bug 19972, new Symbol('void') should be allowed.
 int_parse_radix_test/01: Pass, Fail # JS implementations disagree on U+0085 being whitespace.
 int_parse_radix_test/02: Fail # No bigints.
-double_parse_test/01: Pass, Fail # JS implementations disagree on U+0085 being whitespace.
 integer_to_radix_string_test: RuntimeError # issue 22045
 int_modulo_arith_test/bignum: RuntimeError # No bigints.
 int_modulo_arith_test/modPow: RuntimeError # No bigints.
@@ -59,14 +58,6 @@ symbol_reserved_word_test/05: Crash # bug 20191
 symbol_test/02: MissingCompileTimeError # bug 11669
 symbol_test/03: MissingCompileTimeError # bug 11669
 
-[ $runtime == ff || $runtime == jsshell ]
-# Firefox takes advantage of the ECMAScript number parsing cop-out clause
-# (presumably added to allow Mozilla's existing behavior)
-# and only looks at the first 20 significant digits.
-# The Dart VM and the other ECMAScript implementations follow the correct
-# IEEE-754 rounding algorithm.
-double_parse_test/02: Fail, OK
-
 [ $runtime == safari || $runtime == safarimobilesim ]
 double_round3_test: Fail, OK # Runtime rounds 0.49999999999999994 to 1.
 double_round_to_double2_test: Fail, OK # Runtime rounds 0.49999999999999994 to 1.