Caches the edge counter increment size in the isolate()

runtime/vm/isolate.h

 // 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/base_isolate.h"
@@ skipping 499 matching lines @@
   TraceBuffer* trace_buffer() {
     return trace_buffer_;
   }
 
   DeoptContext* deopt_context() const { return deopt_context_; }
   void set_deopt_context(DeoptContext* value) {
     ASSERT(value == NULL || deopt_context_ == NULL);
     deopt_context_ = value;
   }
 
+  int32_t edge_counter_increment_size() const {
+    return edge_counter_increment_size_;
+  }
+  void set_edge_counter_increment_size(int32_t size) {
+    ASSERT(edge_counter_increment_size_ == -1);
+    ASSERT(size >= 0);
+    edge_counter_increment_size_ = size;
+  }
+
   void UpdateLastAllocationProfileAccumulatorResetTimestamp() {
     last_allocationprofile_accumulator_reset_timestamp_ =
         OS::GetCurrentTimeMillis();
   }
 
   int64_t last_allocationprofile_accumulator_reset_timestamp() const {
     return last_allocationprofile_accumulator_reset_timestamp_;
   }
 
   void UpdateLastAllocationProfileGCTimestamp() {
@@ skipping 171 matching lines @@
   uword stack_base_;
   uword stack_overflow_flags_;
   int32_t stack_overflow_count_;
   MessageHandler* message_handler_;
   IsolateSpawnState* spawn_state_;
   bool is_runnable_;
   Dart_GcPrologueCallback gc_prologue_callback_;
   Dart_GcEpilogueCallback gc_epilogue_callback_;
   intptr_t defer_finalization_count_;
   DeoptContext* deopt_context_;
+  int32_t edge_counter_increment_size_;
 
   // Log.
   bool is_service_isolate_;
   class Log* log_;
 
   // Status support.
   char* stacktrace_;
   intptr_t stack_frame_index_;
 
   // Timestamps of last operation via service.
@@ skipping 191 matching lines @@
   uint8_t* serialized_args_;
   intptr_t serialized_args_len_;
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   bool paused_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_