dart2js cps: Translate synthesized mixin constructors.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index edc8a76aea4c37e159a5120950fa024644921a8e..4a1a8121afb591ab3203c7f221c8dfdcf7a1ca76 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -239,17 +239,10 @@ io/link_test: Crash # Invalid argument(s)
 io/link_uri_test: Crash # Invalid argument(s)
 io/observatory_test: Crash # Invalid argument(s)
 io/parent_test: Crash # Invalid argument(s)
-io/platform_resolved_executable_test/00: Crash # Internal Error: No default constructor available.
 io/platform_resolved_executable_test/01: Crash # Invalid argument(s)
 io/platform_resolved_executable_test/02: Crash # Invalid argument(s)
-io/platform_resolved_executable_test/03: Crash # Internal Error: No default constructor available.
 io/platform_resolved_executable_test/04: Crash # Invalid argument(s)
 io/platform_resolved_executable_test/05: Crash # Invalid argument(s)
-io/platform_resolved_executable_test/06: Crash # Internal Error: No default constructor available.
-io/platform_resolved_executable_test/none: Crash # Internal Error: No default constructor available.
-io/platform_test: Crash # Internal Error: No default constructor available.
-io/process_environment_test: Crash # Internal Error: No default constructor available.
-io/process_path_environment_test: Crash # Internal Error: No default constructor available.
 io/raw_secure_server_closing_test: Crash # Invalid argument(s)
 io/raw_secure_server_socket_test: Crash # Invalid argument(s)
 io/raw_secure_socket_pause_test: Crash # Internal Error: No default constructor available.
@@ -268,10 +261,8 @@ io/socket_bind_test: Crash # (testListenCloseList...  cannot handle async/sync*/
 io/socket_exception_test: Crash # Invalid argument(s)
 io/socket_source_address_test: Crash # (Future testConnect(...  cannot handle async/sync*/async* functions
 io/socket_upgrade_to_secure_test: Crash # Invalid argument(s)
-io/stdin_sync_test: Crash # Internal Error: No default constructor available.
 io/test_extension_fail_test: Crash # Invalid argument(s)
 io/test_extension_test: Crash # Invalid argument(s)
-io/test_runner_test: Crash # Internal Error: No default constructor available.
 io/uri_platform_test: Crash # Invalid argument(s)
 io/web_socket_error_test: Crash # Internal Error: No default constructor available.
 io/web_socket_ping_test: Crash # Internal Error: No default constructor available.