Make int a double in argument type checks.

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index ecc143fc92394cfb831a2096a5b29ea14db1e320..82393c1d60e145cc5cd016b82e0d44600bc75866 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -166,8 +166,6 @@ LibTest/core/StringBuffer/isEmpty_A01_t01:  Fail, OK # co19 issue 355
 
 Language/07_Classes/6_Constructors/2_Factories_A01_t05: Fail # Partially implemented rediriecting constructors makes this fail.
 
-Language/09_Generics/09_Generics_A04_t03: Fail # dart2js does not treat 2.0 as a double; dartbug.com/1533
-
 [ $compiler == dart2js && $runtime == ie9 ]
 Language/11_Expressions/03_Numbers_A01_t06: Fail # Issue: 8920
 Language/11_Expressions/03_Numbers_A01_t09: Fail # Issue: 8920
@@ -276,7 +274,6 @@ Language/14_Types/3_Type_Declarations/1_Typedef_A01_t01: Fail # http://dartbug.c
 
 LibTest/core/List/operator_subscript_A03_t01: Fail # http://dartbug.com/9228
 LibTest/core/List/operator_subscripted_assignment_A03_t01: Fail # http://dartbug.com/9228
-Language/09_Generics/09_Generics_A04_t01: Fail, OK # 1.0 is an int in dart2js; dartbug.com/1533.
 
 Language/11_Expressions/14_Function_Invocation/4_Function_Expression_Invocation_A01_t02: Fail, OK # co19 issue 405
 Language/11_Expressions/15_Method_Invocation/1_Ordinary_Invocation_A05_t03: Fail, OK # co19 issue 405