Do not emit coverage/callsite info for implicit closure functions.

runtime/observatory/tests/service/coverage_test.dart

Index: runtime/observatory/tests/service/coverage_test.dart
diff --git a/runtime/observatory/tests/service/coverage_test.dart b/runtime/observatory/tests/service/coverage_test.dart
index 4b44b37223561c86db848fe5932fbd5139289157..5223092af4ba30c52d5a7cf4980191094bf82a6c 100644
--- a/runtime/observatory/tests/service/coverage_test.dart
+++ b/runtime/observatory/tests/service/coverage_test.dart
@@ -11,7 +11,7 @@ import 'dart:developer';
 int globalVar = 100;
 
 class MyClass {
-  static void myFunction(int value) {
+       static       void myFunction(int value) {
     if (value < 0) {
       print("negative");
     } else {
@@ -22,9 +22,9 @@ class MyClass {
 
   static void otherFunction(int value) {
     if (value < 0) {
-      print("otherFunction <");
+               print("otherFunction <");
     } else {
-      print("otherFunction >=");
+         print("otherFunction >=");
     }
   }
 }
@@ -79,8 +79,8 @@ hasStoppedAtBreakpoint,
   expect(coverage['coverage'][0]['hits'],
          equals([15, 1, 16, 0, 18, 1, 20, 1,
                  24, 1, 25, 1, 27, 0]));
-  expect(coverage['coverage'][1]['hits'].take(12),
-         equals([33, 1, 34, 1, 32, 1, 105, 2, 105, 1]));
+  expect(coverage['coverage'][1]['hits'],
+         equals([33, 1, 34, 1, 105, 2]));
 
   // Script
   await cls.load();
@@ -91,8 +91,8 @@ hasStoppedAtBreakpoint,
   expect(coverage['coverage'][0]['hits'],
          equals([15, 1, 16, 0, 18, 1, 20, 1,
                  24, 1, 25, 1, 27, 0]));
-  expect(coverage['coverage'][1]['hits'].take(12),
-         equals([33, 1, 34, 1, 32, 1, 105, 2, 105, 1]));
+  expect(coverage['coverage'][1]['hits'],
+         equals([33, 1, 34, 1, 105, 2]));
 
   // Isolate
   coverage = await isolate.invokeRpcNoUpgrade('_getCoverage', {});