Remove obsolete timer list from VM

runtime/vm/timer.h

Index: runtime/vm/timer.h
diff --git a/runtime/vm/timer.h b/runtime/vm/timer.h
index 32af994e34054657fb76e38cdaa118a02b6a6e6a..4738efa50d539a09b9262571f7218edd8d3bdbb1 100644
--- a/runtime/vm/timer.h
+++ b/runtime/vm/timer.h
@@ -90,41 +90,6 @@ class Timer : public ValueObject {
   DISALLOW_COPY_AND_ASSIGN(Timer);
 };
 
-// List of per isolate timers.
-#define TIMER_LIST(V)                                                          \
-  V(time_script_loading, "Script Loading")                                     \
-  V(time_creating_snapshot, "Snapshot Creation")                               \
-  V(time_isolate_initialization, "Isolate initialization")                     \
-  V(time_compilation, "Function compilation")                                  \
-  V(time_bootstrap, "Bootstrap of core classes")                               \
-  V(time_dart_execution, "Dart execution")                                     \
-  V(time_total_runtime, "Total runtime for isolate")                           \
-  V(time_gc, "Garbage collection")                                             \
-
-// Maintains a list of timers per isolate.
-class TimerList : public ValueObject {
- public:
-  TimerList();
-  ~TimerList() {}
-
-  // Accessors.
-#define TIMER_FIELD_ACCESSOR(name, msg)                                        \
-  Timer& name() { return name##_; }
-  TIMER_LIST(TIMER_FIELD_ACCESSOR)
-#undef TIMER_FIELD_ACCESSOR
-
-  void ReportTimers();
-
-  void PrintTimersToJSONProperty(JSONObject* jsobj);
-
- private:
-#define TIMER_FIELD(name, msg) Timer name##_;
-  TIMER_LIST(TIMER_FIELD)
-#undef TIMER_FIELD
-  bool padding_;
-  DISALLOW_COPY_AND_ASSIGN(TimerList);
-};
-
 
 // The class TimerScope is used to start and stop a timer within a scope.
 // It is used as follows:
@@ -207,21 +172,6 @@ class PauseTimerScope : public StackResource {
 };
 
 
-// Macros to deal with named timers in the isolate.
-#define START_TIMER(isolate, name)                                             \
-isolate->timer_list().name().Start();
-
-#define STOP_TIMER(isolate, name)                                              \
-isolate->timer_list().name().Stop();
-
-#define TIMERSCOPE(thread, name)                                               \
-  TimerScope vm_internal_timer_(                                               \
-      true, &(thread->isolate()->timer_list().name()), thread)
-
-#define PAUSETIMERSCOPE(thread, name)                                          \
-PauseTimerScope vm_internal_timer_(true,                                       \
-                                   &(thread->isolate()->timer_list().name()),  \
-                                   thread)
 
 }  // namespace dart