[heap] New API for increasing the heap limit for debugging.

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.
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   /**
    * Optional notification to tell V8 the current performance requirements
    * of the embedder based on RAIL.
    * V8 uses these notifications to guide heuristics.
    * This is an unfinished experimental feature. Semantics and implementation
    * may change frequently.
    */
   void SetRAILMode(RAILMode rail_mode);
 
   /**
+   * Optional notification to tell V8 the current isolate is used for debugging
+   * and requires higher heap limit.
+   */
+  void IncreaseHeapLimitForDebugging();
+
+  /**
+   * Restores the original heap limit after IncreaseHeapLimitForDebugging().
+   */
+  void RestoreOriginalHeapLimit();
+
+  /**
    * Allows the host application to provide the address of a function that is
    * notified each time code is added, moved or removed.
    *
    * \param options options for the JIT code event handler.
    * \param event_handler the JIT code event handler, which will be invoked
    *     each time code is added, moved or removed.
    * \note \p event_handler won't get notified of existent code.
    * \note since code removal notifications are not currently issued, the
    *     \p event_handler may get notifications of code that overlaps earlier
    *     code notifications. This happens when code areas are reused, and the
@@ skipping 2691 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_