Migrate test block 4 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 f73d75808304c4ca1fd24e271f9dc6411693f801..f759dfc909a744ed4f5cfc8d259078e06748ed49 100644
--- a/tests/corelib/corelib.status
+++ b/tests/corelib/corelib.status
@@ -76,9 +76,6 @@ string_trimlr_test/02: RuntimeError # Uses Unicode 6.2.0 or earlier.
 double_round3_test: Pass, Fail, OK # Fails on ff 34, passes on ff 35. Runtime rounds 0.49999999999999994 to 1.
 double_round_to_double2_test: Pass, Fail, OK # Fails on ff 34, passes on ff 35. Runtime rounds 0.49999999999999994 to 1.
 
-[ $compiler == dart2js && $runtime == drt && $csp && $minified ]
-core_runtime_types_test: Pass, Fail # Issue 27913
-
 [ $compiler == dart2js ]
 error_stack_trace1_test: RuntimeError # Issue 12399
 hash_set_test/01: RuntimeError # Issue 11551
@@ -156,7 +153,6 @@ regexp/pcre_test: Pass, Slow, Timeout # Issues 21593 and 22008
 regexp/capture-3: Pass, Slow, Timeout # Issues 21593 and 22008
 
 [ $runtime != vm && $runtime != dart_precompiled && $compiler != dart2analyzer]
-data_resource_test: RuntimeError # Issue 23825 (not implemented yet).
 file_resource_test: Skip, OK # VM specific test, uses dart:io.
 http_resource_test: Skip, OK # VM specific test, uses dart:io.
 
@@ -174,7 +170,6 @@ regexp/stack-overflow_test: RuntimeError, OK # Smaller limit with irregex interp
 int_parse_radix_test: Pass, Timeout # --no_intrinsify
 
 [ $compiler == precompiler || $compiler == app_jit ]
-data_resource_test: Skip # Resolve URI not supported yet in product mode.
 package_resource_test: Skip # Resolve URI not supported yet in product mode.
 file_resource_test: Skip # Resolve URI not supported yet in product mode.
 http_resource_test: Skip # Resolve URI not supported yet in product mode.