- Remove stale code.

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 286 matching lines @@
 
   static uword GetSpecifiedStackSize();
 
   static const intptr_t kStackSizeBuffer = (4 * KB * kWordSize);
 
   // Interrupt bits.
   enum {
     kApiInterrupt = 0x1,      // An interrupt from Dart_InterruptIsolate.
     kMessageInterrupt = 0x2,  // An interrupt to process an out of band message.
     kStoreBufferInterrupt = 0x4,  // An interrupt to process the store buffer.
-    kVmStatusInterrupt = 0x8,     // An interrupt to process a status request.
 
     kInterruptsMask =
         kApiInterrupt |
         kMessageInterrupt |
-        kStoreBufferInterrupt |
-        kVmStatusInterrupt,
+        kStoreBufferInterrupt,
   };
 
   void ScheduleInterrupts(uword interrupt_bits);
   uword GetAndClearInterrupts();
 
   // Marks all libraries as loaded.
   void DoneLoading();
 
   bool MakeRunnable();
   void Run();
@@ skipping 126 matching lines @@
     return create_callback_;
   }
 
   static void SetInterruptCallback(Dart_IsolateInterruptCallback cb) {
     interrupt_callback_ = cb;
   }
   static Dart_IsolateInterruptCallback InterruptCallback() {
     return interrupt_callback_;
   }
 
-  static void SetVmStatsCallback(Dart_IsolateInterruptCallback cb) {
-    vmstats_callback_ = cb;
-  }
-  static Dart_IsolateInterruptCallback VmStatsCallback() {
-    return vmstats_callback_;
-  }
-
   static void SetUnhandledExceptionCallback(
       Dart_IsolateUnhandledExceptionCallback cb) {
     unhandled_exception_callback_ = cb;
   }
   static Dart_IsolateUnhandledExceptionCallback UnhandledExceptionCallback() {
     return unhandled_exception_callback_;
   }
 
   static void SetShutdownCallback(Dart_IsolateShutdownCallback cb) {
     shutdown_callback_ = cb;
@@ skipping 444 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_