Refactor handling of unqualified static updates.

tests/compiler/dart2js/semantic_visitor_test_send_data.dart

Index: tests/compiler/dart2js/semantic_visitor_test_send_data.dart
diff --git a/tests/compiler/dart2js/semantic_visitor_test_send_data.dart b/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
index 0419caed0e6a373d117acb4cf3ed9c61117acf3f..ce49bc0271ec21e1a79d2c2b7a982bfd7691d7bf 100644
--- a/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
+++ b/tests/compiler/dart2js/semantic_visitor_test_send_data.dart
@@ -320,8 +320,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
           m() { o = 42; }
         }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_FINAL_STATIC_FIELD_SET,
+                    element: 'field(C#o)',
                     rhs: '42')),
     const Test.clazz(
         '''
@@ -358,8 +358,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
           m() { o = 42; }
         }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_FINAL_STATIC_FIELD_SET,
+                    element: 'field(C#o)',
                     rhs: '42')),
     const Test.clazz(
         '''
@@ -436,8 +436,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
           m() { o = 42; }
         }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_STATIC_GETTER_SET,
+                    element: 'getter(C#o)',
                     rhs: '42')),
     const Test.clazz(
         '''
@@ -663,8 +663,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
           m() { o = 42; }
         }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_STATIC_FUNCTION_SET,
+                    element: 'function(C#o)',
                     rhs: '42')),
     const Test.clazz(
         '''
@@ -806,8 +806,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
         final o = 0;
         m() { o = 42; }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_FINAL_TOP_LEVEL_FIELD_SET,
+                    element: 'field(o)',
                     rhs: '42')),
     const Test.prefix(
         '''
@@ -822,8 +822,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
         const o = 0;
         m() { o = 42; }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_FINAL_TOP_LEVEL_FIELD_SET,
+                    element: 'field(o)',
                     rhs: '42')),
     const Test.prefix(
         '''
@@ -896,8 +896,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
         get o => null;
         m() { o = 42; }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_TOP_LEVEL_GETTER_SET,
+                    element: 'getter(o)',
                     rhs: '42')),
     const Test.prefix(
         '''
@@ -1041,8 +1041,8 @@ const Map<String, List<Test>> SEND_TESTS = const {
         o(a, b) {}
         m() { o = 42; }
         ''',
-        const Visit(VisitKind.VISIT_UNRESOLVED_SET,
-                    name: 'o',
+        const Visit(VisitKind.VISIT_TOP_LEVEL_FUNCTION_SET,
+                    element: 'function(o)',
                     rhs: '42')),
     const Test.prefix(
         '''