Rename the get* methods in preparation for removing them.

runtime/observatory/lib/src/elements/inbound_reference.dart

Index: runtime/observatory/lib/src/elements/inbound_reference.dart
diff --git a/runtime/observatory/lib/src/elements/inbound_reference.dart b/runtime/observatory/lib/src/elements/inbound_reference.dart
index 047b8334715b11669f32ffed3330a243a800046d..39c8644018ea7d4cc77ef4bc635fc42626610316 100644
--- a/runtime/observatory/lib/src/elements/inbound_reference.dart
+++ b/runtime/observatory/lib/src/elements/inbound_reference.dart
@@ -23,7 +23,7 @@ class InboundReferenceElement extends ObservatoryElement {
   // I.e., inbound references to 'source' for recursive pointer chasing.
   @observable ObservableList inboundReferences;
   Future<ServiceObject> fetchInboundReferences(arg) {
-    return source.isolate.get(source.id + "/inbound_references?limit=$arg")
+    return source.isolate.getInboundReferences(source, arg)
         .then((ServiceMap response) {
           inboundReferences = new ObservableList.from(response['references']);
         });