Drop deprecated memory related notification API

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 4976 matching lines @@
    * Iterates through all the persistent handles in the current isolate's heap
    * that have class_ids and are candidates to be marked as partially dependent
    * handles. This will visit handles to young objects created since the last
    * garbage collection but is free to visit an arbitrary superset of these
    * objects.
    */
   static void VisitHandlesForPartialDependence(
       Isolate* isolate, PersistentHandleVisitor* visitor);
 
   /**
-   * Optional notification that the embedder is idle.
-   * V8 uses the notification to reduce memory footprint.
-   * This call can be used repeatedly if the embedder remains idle.
-   * Returns true if the embedder should stop calling IdleNotification
-   * until real work has been done.  This indicates that V8 has done
-   * as much cleanup as it will be able to do.
-   *
-   * The hint argument specifies the amount of work to be done in the function
-   * on scale from 1 to 1000. There is no guarantee that the actual work will
-   * match the hint.
-   *
-   * Deprecated, please use Isolate::IdleNotification.
-   */
-  static bool IdleNotification(int hint = 1000);
-
-  /**
-   * Optional notification that the system is running low on memory.
-   * V8 uses these notifications to attempt to free memory.
-   *
-   * Deprecated, please use Isolate::LowMemoryNotification.
-   */
-  static void LowMemoryNotification();
-
-  /**
-   * Optional notification that a context has been disposed. V8 uses
-   * these notifications to guide the GC heuristic. Returns the number
-   * of context disposals - including this one - since the last time
-   * V8 had a chance to clean up.
-   *
-   * Deprecated, please use Isolate::ContextDisposedNotification.
-   */
-  static int ContextDisposedNotification();
-
-  /**
    * Initialize the ICU library bundled with V8. The embedder should only
    * invoke this method when using the bundled ICU. Returns true on success.
    *
    * If V8 was compiled with the ICU data in an external file, the location
    * of the data file has to be provided.
    */
   static bool InitializeICU(const char* icu_data_file = NULL);
 
   /**
    * Sets the v8::Platform to use. This should be invoked before V8 is
@@ skipping 1728 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_