[vm] Revert changes related to triggering the 1st GC

runtime/vm/isolate.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/assert.h"
 #include "platform/text_buffer.h"
@@ skipping 736 matching lines @@
       ic_miss_code_(Code::null()),
       object_store_(NULL),
       class_table_(),
       single_step_(false),
       errors_fatal_(true),
       is_runnable_(false),
       is_service_isolate_(false),
       compilation_allowed_(true),
       all_classes_finalized_(false),
       remapping_cids_(false),
+      start_time_micros_(OS::GetCurrentMonotonicMicros()),
 #if !defined(PRODUCT)
       resume_request_(false),
       has_attempted_reload_(false),
       should_pause_post_service_request_(false),
       debugger_name_(NULL),
-      start_time_micros_(OS::GetCurrentMonotonicMicros()),
       debugger_(NULL),
       last_resume_timestamp_(OS::GetCurrentTimeMillis()),
       last_allocationprofile_accumulator_reset_timestamp_(0),
       last_allocationprofile_gc_timestamp_(0),
       vm_tag_counters_(),
       pending_service_extension_calls_(GrowableObjectArray::null()),
       registered_service_extension_handlers_(GrowableObjectArray::null()),
       metrics_list_head_(NULL),
       pause_loop_monitor_(NULL),
 #define ISOLATE_METRIC_CONSTRUCTORS(type, variable, name, unit)                \
@@ skipping 207 matching lines @@
   if (mthread != NULL) {
     mthread->ScheduleInterrupts(Thread::kMessageInterrupt);
   }
 }
 
 #if !defined(PRODUCT)
 void Isolate::set_debugger_name(const char* name) {
   free(debugger_name_);
   debugger_name_ = strdup(name);
 }
+#endif  // !defined(PRODUCT)
 
 int64_t Isolate::UptimeMicros() const {
   return OS::GetCurrentMonotonicMicros() - start_time_micros_;
 }
-#endif  // !defined(PRODUCT)
 
 bool Isolate::IsPaused() const {
 #if defined(PRODUCT)
   return false;
 #else
   return (debugger_ != NULL) && (debugger_->PauseEvent() != NULL);
 #endif  // !defined(PRODUCT)
 }
 
 RawError* Isolate::PausePostRequest() {
@@ skipping 1848 matching lines @@
 void IsolateSpawnState::DecrementSpawnCount() {
   ASSERT(spawn_count_monitor_ != NULL);
   ASSERT(spawn_count_ != NULL);
   MonitorLocker ml(spawn_count_monitor_);
   ASSERT(*spawn_count_ > 0);
   *spawn_count_ = *spawn_count_ - 1;
   ml.Notify();
 }
 
 }  // namespace dart