Remove dead callback.

runtime/include/dart_api.h

 /*
  * Copyright (c) 2012, 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 INCLUDE_DART_API_H_
 #define INCLUDE_DART_API_H_
 
 /** \mainpage Dart Embedding API Reference
@@ skipping 674 matching lines @@
  */
 typedef Dart_Isolate (*Dart_IsolateCreateCallback)(const char* script_uri,
                                                    const char* main,
                                                    const char* package_root,
                                                    const char* package_config,
                                                    Dart_IsolateFlags* flags,
                                                    void* callback_data,
                                                    char** error);
 
 /**
- * An isolate interrupt callback function.
- *
- * This callback has been DEPRECATED.
- */
-typedef bool (*Dart_IsolateInterruptCallback)();
-
-/**
  * An isolate unhandled exception callback function.
  *
  * This callback has been DEPRECATED.
  */
 typedef void (*Dart_IsolateUnhandledExceptionCallback)(Dart_Handle error);
 
 /**
  * An isolate shutdown callback function.
  *
  * This callback, provided by the embedder, is called before the vm
@@ skipping 323 matching lines @@
  */
 DART_EXPORT Dart_Handle Dart_CreateLibrarySnapshot(Dart_Handle library,
                                                    uint8_t** buffer,
                                                    intptr_t* size);
 
 /**
  * Schedules an interrupt for the specified isolate.
  *
  * When the isolate is interrupted, the isolate interrupt callback
  * will be invoked with 'isolate' as the current isolate (see
- * Dart_IsolateInterruptCallback).
+ * Dart_SetIsolateEventHandler).
  *
  * \param isolate The isolate to be interrupted.
  */
 DART_EXPORT void Dart_InterruptIsolate(Dart_Isolate isolate);
 
 /**
  * Make isolate runnable.
  *
  * When isolates are spawned this function is used to indicate that
  * the creation and initialization (including script loading) of the
@@ skipping 2135 matching lines @@
 /**
  *  Returns whether the VM was initialized with a precompiled snapshot. Only
  *  valid after Dart_Initialize.
  *  DEPRECATED. This is currently used to disable Platform.executable and
  *  Platform.resolvedExecutable under precompilation to prevent process
  *  spawning tests from becoming fork-bombs.
  */
 DART_EXPORT bool Dart_IsRunningPrecompiledCode();
 
 #endif  /* INCLUDE_DART_API_H_ */  /* NOLINT */