Reify type params on map literals

test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js

Index: test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js
diff --git a/test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js b/test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js
index 96b49b702defaa3f5727b1fb4e4fca97d6d0530e..7066bd2a7c717374630130d1780984a3e4d5f2a5 100644
--- a/test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js
+++ b/test/codegen_expected/lib/convert/streamed_conversion_json_encode1_test.js
@@ -28,7 +28,7 @@ dart_library.library('lib/convert/streamed_conversion_json_encode1_test', null,
   let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
   dart.defineLazy(streamed_conversion_json_encode1_test, {
     get TESTS() {
-      return JSArrayOfListOfObject().of([JSArrayOfObject().of([5, '5']), JSArrayOfObject().of([-42, '-42']), JSArrayOfObject().of([3.14, '3.14']), JSArrayOfObject().of([true, 'true']), JSArrayOfObject().of([false, 'false']), JSArrayOfObject().of([null, 'null']), JSArrayOfObject().of(['quote"or\'', '"quote\\"or\'"']), JSArrayOfObject().of(['', '""']), JSArrayOfObject().of([[], "[]"]), JSArrayOfObject().of([JSArrayOfObject().of([3, -4.5, true, "hi", false]), '[3,-4.5,true,"hi",false]']), JSArrayOfObject().of([[null], "[null]"]), JSArrayOfObject().of([JSArrayOfList().of([[null]]), "[[null]]"]), JSArrayOfObject().of([JSArrayOfListOfint().of([JSArrayOfint().of([3])]), "[[3]]"]), JSArrayOfObject().of([dart.map(), "{}"]), JSArrayOfObject().of([dart.map({x: 3, y: 4.5, z: "hi", u: true, v: false}), '{"x":3,"y":4.5,"z":"hi","u":true,"v":false}']), JSArrayOfObject().of([dart.map({x: null}), '{"x":null}']), JSArrayOfObject().of([dart.map({x: dart.map()}), '{"x":{}}']), JSArrayOfObject().of([dart.map({"hi there": 499, "'": -0.0}), '{"hi there":499,"\'":0}']), JSArrayOfObject().of(['\\foo', '"\\\\foo"'])]);
+      return JSArrayOfListOfObject().of([JSArrayOfObject().of([5, '5']), JSArrayOfObject().of([-42, '-42']), JSArrayOfObject().of([3.14, '3.14']), JSArrayOfObject().of([true, 'true']), JSArrayOfObject().of([false, 'false']), JSArrayOfObject().of([null, 'null']), JSArrayOfObject().of(['quote"or\'', '"quote\\"or\'"']), JSArrayOfObject().of(['', '""']), JSArrayOfObject().of([[], "[]"]), JSArrayOfObject().of([JSArrayOfObject().of([3, -4.5, true, "hi", false]), '[3,-4.5,true,"hi",false]']), JSArrayOfObject().of([[null], "[null]"]), JSArrayOfObject().of([JSArrayOfList().of([[null]]), "[[null]]"]), JSArrayOfObject().of([JSArrayOfListOfint().of([JSArrayOfint().of([3])]), "[[3]]"]), JSArrayOfObject().of([dart.map(), "{}"]), JSArrayOfObject().of([dart.map({x: 3, y: 4.5, z: "hi", u: true, v: false}, core.String, core.Object), '{"x":3,"y":4.5,"z":"hi","u":true,"v":false}']), JSArrayOfObject().of([dart.map({x: null}, core.String, dart.dynamic), '{"x":null}']), JSArrayOfObject().of([dart.map({x: dart.map()}, core.String, core.Map), '{"x":{}}']), JSArrayOfObject().of([dart.map({"hi there": 499, "'": -0.0}, core.String, core.num), '{"hi there":499,"\'":0}']), JSArrayOfObject().of(['\\foo', '"\\\\foo"'])]);
     }
   });
   streamed_conversion_json_encode1_test.encode = function(o) {