Allow setting break-on-exceptions option 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 4c42991a45aa3a7d78642d0c6d252d7808af35a2..709033bca4db91c4f6b6f358200f3b2bd67eac75 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -1265,6 +1265,14 @@ class Isolate extends ServiceObjectOwner with Coverage {
     return invokeRpc('setName', {'name': newName});
   }
 
+  Future getExceptionPauseInfo() {
+    return invokeRpc('_getExceptionPauseInfo', {});
+  }
+
+  Future setExceptionPauseInfo(String exceptions) {
+    return invokeRpc('_setExceptionPauseInfo', {'exceptions': exceptions});
+  }
+
   Future<ServiceMap> getStack() {
     return invokeRpc('getStack', {});
   }
@@ -1481,7 +1489,7 @@ class ServiceEvent extends ServiceObject {
   @observable String kind;
   @observable Breakpoint breakpoint;
   @observable Frame topFrame;
-  @observable ServiceMap exception;
+  @observable Instance exception;
   @observable ServiceObject inspectee;
   @observable ByteData data;
   @observable int count;
@@ -2344,7 +2352,8 @@ class Script extends ServiceObject with Coverage {
   @observable int lineOffset;
   @observable int columnOffset;
   @observable Library library;
-  bool get canCache => true;
+
+  bool get canCache => !_id.startsWith(ServiceMap.objectIdRingPrefix);

[rmacnak, 2015/06/11 17:31:17]

This still doesn't pass the assert on 309.

[Cutch, 2015/06/11 21:20:12]

example of the assert on 309 failing?

[rmacnak, 2015/06/12 00:09:38]

Nvm, I needed to do this for function as well (eval function).

   bool get immutable => true;
 
   String _shortUri;
@@ -3254,6 +3263,8 @@ class Frame extends ServiceObject {
     this.code = map['code'];
     this.variables = map['vars'];
   }
+
+  String toString() => "Frame(${function.qualifiedName})";
 }