Stream blocks of timeline events over the service protocol

runtime/observatory/lib/src/service/object.dart

Index: runtime/observatory/lib/src/service/object.dart
diff --git a/runtime/observatory/lib/src/service/object.dart b/runtime/observatory/lib/src/service/object.dart
index 6742642b837ab8bb72f7c1001c5099a39da283b3..6d49130f2fb62ca42789bf31d9e6a8c1c49b8e52 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -849,6 +849,7 @@ abstract class VM extends ServiceObjectOwner {
   // Well-known stream ids.
   static const kVMStream = 'VM';
   static const kIsolateStream = 'Isolate';
+  static const kTimelineStream = 'Timeline';
   static const kDebugStream = 'Debug';
   static const kGCStream = 'GC';
   static const kStdoutStream = 'Stdout';
@@ -1855,6 +1856,7 @@ class ServiceEvent extends ServiceObject {
   @observable Map logRecord;
   @observable String extensionKind;
   @observable Map extensionData;
+  @observable List timelineEvents;
 
   int chunkIndex, chunkCount, nodeCount;
 
@@ -1932,6 +1934,9 @@ class ServiceEvent extends ServiceObject {
       extensionKind = map['extensionKind'];
       extensionData = map['extensionData'];
     }
+    if (map['timelineEvents'] != null) {
+      timelineEvents = map['timelineEvents'];
+    }
   }
 
   String toString() {