Major rework of vm service events.

runtime/vm/service/service.idl

 //
 // TODO(turnidge): Finish writing an idl description of the service protocol.
 //
 
 interface Service {
   getVM() VM
 
   getFlagList() FlagList
 
   setFlag(name string, value string) Response
 
   getObject(isolateId string, objectId string) Object
 
   // The response is a subtype of Object or ObjectRef.
   getObjectByAddress(address string, ref bool) Response
 
-  // Returns the list of breakpoints for an isolate.
-  getBreakpoints(isolateId string) BreakpointList
-
   // Adds a breakpoint at the specified line.
   //
   // TODO(turnidge): Make line an int instead of a string.
   addBreakpoint(isolateId string,
                 scriptId string,
                 line string) Breakpoint
 
   // Adds a breakpoint at the entrypoint of the specified function.
   addBreakpointAtEntry(isolateId string,
                        functionId string) Breakpoint
@@ skipping 140 matching lines @@
 
 // An <code>Instance</code> represents a Dart-language object.
 struct Instance extends Object {
   placeholder int
 }
 
 
 // A <code>Breakpoint</code> describes a debugger breakpoint.
 struct Breakpoint extends Object {
   breakpointNumber int
-  enabled          bool
   resolved         bool
   location         Location
 }
 
 
 // References to persistent objects in the vm are returned as
 // subclasses of ObjectRef.
 struct ObjectRef extends Response {
   // The object <code>id</code> can be used to refer to a persistent
   // object inside the vm or an isolate.
@@ skipping 110 matching lines @@
 }
 
 // A <code>TagProfile</code> is a limited profile encoded as parallel
 // arrays of tag names and tag values.
 struct TagProfile extends Response {
   names    []string
   counters []int
 }
 
 
-// A list of <code>Breakpoint</code>
-struct BreakpointList extends Response {
-  breakpoints []Breakpoint
-}
-
-
 // An <code>AllocationProfile</code> encodes an allocation profile.
 struct AllocationProfile extends Response {
   todo int
 }
 
 
 // A <code>CpuProfile</code> encodes a full cpu profile.
 struct CpuProfile extends Response {
   samples        int
   depth          int
@@ skipping 109 matching lines @@
   VMOnly
   None
 }
 
 // A <code>MetricSelector</code> is used to indicate which list of metrics
 // should be retrieved from an isolate.
 enum MetricSelector {
   Dart,
   Native,
 }