Trace compilation during developer_extension_test.

runtime/observatory/tests/service/test_helper.dart

Index: runtime/observatory/tests/service/test_helper.dart
diff --git a/runtime/observatory/tests/service/test_helper.dart b/runtime/observatory/tests/service/test_helper.dart
index 1adcd6648b16315dcbefc256866e2f763fef144b..2091558500272e846d2800c0587792f87405b2ff 100644
--- a/runtime/observatory/tests/service/test_helper.dart
+++ b/runtime/observatory/tests/service/test_helper.dart
@@ -29,7 +29,8 @@ class _TestLauncher {
   Future<int> launch(bool pause_on_start,
                      bool pause_on_exit,
                      bool pause_on_unhandled_exceptions,
-                     bool trace_service) {
+                     bool trace_service,
+                     bool trace_compiler) {
     assert(pause_on_start != null);
     assert(pause_on_exit != null);
     assert(trace_service != null);
@@ -41,6 +42,9 @@ class _TestLauncher {
     if (trace_service) {
       fullArgs.add('--trace-service');
     }
+    if (trace_compiler) {
+      fullArgs.add('--trace-compiler');
+    }
     if (pause_on_start) {
       fullArgs.add('--pause-isolates-on-start');
     }
@@ -119,6 +123,7 @@ Future runIsolateTests(List<String> mainArgs,
                         bool pause_on_start: false,
                         bool pause_on_exit: false,
                         bool trace_service: false,
+                        bool trace_compiler: false,
                         bool verbose_vm: false,
                         bool pause_on_unhandled_exceptions: false}) async {
   assert(!pause_on_start || testeeBefore == null);
@@ -142,7 +147,8 @@ Future runIsolateTests(List<String> mainArgs,
   } else {
     var process = new _TestLauncher();
     process.launch(pause_on_start, pause_on_exit,
-                   pause_on_unhandled_exceptions, trace_service).then((port) {
+                   pause_on_unhandled_exceptions,
+                   trace_service, trace_compiler).then((port) {
       if (mainArgs.contains("--gdb")) {
         port = 8181;
       }
@@ -190,6 +196,7 @@ void runIsolateTestsSynchronous(List<String> mainArgs,
                                  bool pause_on_start: false,
                                  bool pause_on_exit: false,
                                  bool trace_service: false,
+                                 bool trace_compiler: false,
                                  bool verbose_vm: false,
                                  bool pause_on_unhandled_exceptions: false}) {
   assert(!pause_on_start || testeeBefore == null);
@@ -210,7 +217,8 @@ void runIsolateTestsSynchronous(List<String> mainArgs,
   } else {
     var process = new _TestLauncher();
     process.launch(pause_on_start, pause_on_exit,
-                   pause_on_unhandled_exceptions, trace_service).then((port) {
+                   pause_on_unhandled_exceptions,
+                   trace_service, trace_compiler).then((port) {
       if (mainArgs.contains("--gdb")) {
         port = 8181;
       }
@@ -400,6 +408,7 @@ Future runVMTests(List<String> mainArgs,
                    bool pause_on_start: false,
                    bool pause_on_exit: false,
                    bool trace_service: false,
+                   bool trace_compiler: false,
                    bool verbose_vm: false,
                    bool pause_on_unhandled_exceptions: false}) async {
   if (mainArgs.contains(_TESTEE_MODE_FLAG)) {
@@ -421,7 +430,7 @@ Future runVMTests(List<String> mainArgs,
     process.launch(pause_on_start,
                    pause_on_exit,
                    pause_on_unhandled_exceptions,
-                   trace_service).then((port) async {
+                   trace_service, trace_compiler).then((port) async {
       if (mainArgs.contains("--gdb")) {
         port = 8181;
       }