Remove SlidingStateWindow and related code.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3187 matching lines @@
 
   /**
    * Enables the host application to provide a mechanism for recording
    * histograms. The CreateHistogram function returns a
    * histogram which will later be passed to the AddHistogramSample
    * function.
    */
   static void SetCreateHistogramFunction(CreateHistogramCallback);
   static void SetAddHistogramSampleFunction(AddHistogramSampleCallback);
 
-  /**
-   * Enables the computation of a sliding window of states. The sliding
-   * window information is recorded in statistics counters.
-   */
-  static void EnableSlidingStateWindow();
-
   /** Callback function for reporting failed access checks.*/
   static void SetFailedAccessCheckCallbackFunction(FailedAccessCheckCallback);
 
   /**
    * Enables the host application to receive a notification before a
    * garbage collection.  Allocations are not allowed in the
    * callback function, you therefore cannot manipulate objects (set
    * or delete properties for example) since it is possible such
    * operations will result in the allocation of objects. It is possible
    * to specify the GCType filter for your callback. But it is not possible to
@@ skipping 1645 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_