Port the remaining of dart:coreimpl to the unified corelib.

tests/co19/co19-leg.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 [ $compiler == dart2js ]
 # Rename "BadNumberFormatException" to "FormatException"
 # TODO(rnystrom): These can be enabled when
 # http://code.google.com/p/co19/issues/detail?id=167 is fixed.
 LibTest/core/BadNumberFormatException/*: Fail
 LibTest/core/double/toInt_A01_t03: Fail
@@ skipping 106 matching lines @@
 Language/10_Expressions/13_Function_Invocation/3_Unqualified_Invocation_A01_t03: Fail # Runtime error: TypeError: Object a1 has no method '$call$2'
 Language/11_Statements/15_Assert_A01_t03: Fail # We don't complain about assert misusage
 Language/11_Statements/15_Assert_A01_t04: Fail # We don't complain about assert misusage
 LibTest/isolate/isolate_api/spawnUri_A01_t01: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t02: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t03: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t04: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/isolate_api/spawnUri_A01_t05: Fail # Runtime error: UnsupportedOperationException: Currently spawnUri is not supported without web workers.
 LibTest/isolate/SendPort/send_A02_t04: Fail # Runtime error: TypeError: Cannot call method 'toSendPort$0' of undefined.
 LibTest/isolate/isolate_api/spawnFunction_A02_t01: Fail # Runtime error: Expect.throws() fails.
-
+LibTest/core/Clock/frequency_A01_t01: Fail, OK # Clock is deprecated.
+LibTest/core/Clock/now_A01_t01: Fail, OK # Clock is deprecated.
 
 # These test cases use the deprecated Isolate API and should be updated to
 # use spawnFunction: issue ...
 LibTest/isolate/Isolate/port_A01_t02: Fail, OK
 LibTest/isolate/Isolate/port_A01_t01: Fail, OK
 LibTest/isolate/Isolate/main_A01_t01: Fail, OK
 LibTest/isolate/Isolate/class_A01_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_class_A01_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_class_A02_t01: Fail, OK
 LibTest/isolate/Isolate/Isolate_A01_t01: Fail, OK
@@ skipping 626 matching lines @@
 Language/12_Libraries_and_Scripts/3_Includes_A01_t01: Fail, OK # @compile-error
 Language/12_Libraries_and_Scripts/3_Includes_A03_t03: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t02: Fail, OK # @compile-error
 Language/13_Types/3_Type_Declarations/1_Typedef_A07_t03: Fail, OK # @compile-error
 Language/13_Types/7_Type_Void_A01_t02: Fail, OK # @compile-error
 Language/14_Reference/1_Lexical_Rules/1_Reserved_Words_A30_t04: Fail, OK # @compile-error
 Language/14_Reference/1_Lexical_Rules_A02_t06: Fail, OK # @compile-error
 
 [ $compiler == dart2dart ]
 *: Skip