java2dart improvements and new analyzer_experimental snapshot.

pkg/analyzer_experimental/test/generated/test_support.dart

Index: pkg/analyzer_experimental/test/generated/test_support.dart
diff --git a/pkg/analyzer_experimental/test/generated/test_support.dart b/pkg/analyzer_experimental/test/generated/test_support.dart
index b7daadc9cacbca11036d8278c4bd58806a8426b7..6d7ae8fdfed3593a7152b42de2013e3cd7050c09 100644
--- a/pkg/analyzer_experimental/test/generated/test_support.dart
+++ b/pkg/analyzer_experimental/test/generated/test_support.dart
@@ -504,7 +504,7 @@ class EngineTestCase extends JUnitTestCase {
    * @param expectedElements the expected elements
    * @throws AssertionFailedError if the list is `null` or does not have the expected elements
    */
-  static void assertExactElements(List<Object> list, List<Object> expectedElements) {
+  static void assertExactElements(List list, List<Object> expectedElements) {
     int expectedSize = expectedElements.length;
     if (list == null) {
       JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
@@ -553,7 +553,7 @@ class EngineTestCase extends JUnitTestCase {
    * @param expectedElements the expected elements
    * @throws AssertionFailedError if the list is `null` or does not have the expected elements
    */
-  static void assertExactElements3(Set<Object> set, List<Object> expectedElements) {
+  static void assertExactElements3(Set set, List<Object> expectedElements) {
     int expectedSize = expectedElements.length;
     if (set == null) {
       JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
@@ -627,7 +627,7 @@ class EngineTestCase extends JUnitTestCase {
    * @throws AssertionFailedError if the list is `null` or does not have the expected number
    *           of elements
    */
-  static void assertSize(int expectedSize, List<Object> list) {
+  static void assertSize(int expectedSize, List list) {
     if (list == null) {
       JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
     } else if (list.length != expectedSize) {
@@ -643,7 +643,7 @@ class EngineTestCase extends JUnitTestCase {
    * @throws AssertionFailedError if the map is `null` or does not have the expected number of
    *           elements
    */
-  static void assertSize2(int expectedSize, Map<Object, Object> map) {
+  static void assertSize2(int expectedSize, Map map) {
     if (map == null) {
       JUnitTestCase.fail("Expected map of size ${expectedSize}; found null");
     } else if (map.length != expectedSize) {
@@ -659,7 +659,7 @@ class EngineTestCase extends JUnitTestCase {
    * @throws AssertionFailedError if the set is `null` or does not have the expected number of
    *           elements
    */
-  static void assertSize3(int expectedSize, Set<Object> set) {
+  static void assertSize3(int expectedSize, Set set) {
     if (set == null) {
       JUnitTestCase.fail("Expected set of size ${expectedSize}; found null");
     } else if (set.length != expectedSize) {