Remove support for logging into a memory buffer.

include/v8.h

 // Copyright 2011 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 2966 matching lines @@
    * See also PauseProfiler().
    */
   static void ResumeProfiler();
 
   /**
    * Return whether profiler is currently paused.
    */
   static bool IsProfilerPaused();
 
   /**
-   * If logging is performed into a memory buffer (via --logfile=*), allows to
-   * retrieve previously written messages. This can be used for retrieving
-   * profiler log data in the application. This function is thread-safe.
-   *
-   * Caller provides a destination buffer that must exist during GetLogLines
-   * call. Only whole log lines are copied into the buffer.
-   *
-   * \param from_pos specified a point in a buffer to read from, 0 is the
-   *   beginning of a buffer. It is assumed that caller updates its current
-   *   position using returned size value from the previous call.
-   * \param dest_buf destination buffer for log data.
-   * \param max_size size of the destination buffer.
-   * \returns actual size of log data copied into buffer.
-   */
-  static int GetLogLines(int from_pos, char* dest_buf, int max_size);
-
-  /**
-   * The minimum allowed size for a log lines buffer.  If the size of
-   * the buffer given will not be enough to hold a line of the maximum
-   * length, an attempt to find a log line end in GetLogLines will
-   * fail, and an empty result will be returned.
-   */
-  static const int kMinimumSizeForLogLinesBuffer = 2048;
-
-  /**
    * Retrieve the V8 thread id of the calling thread.
    *
    * The thread id for a thread should only be retrieved after the V8
    * lock has been acquired with a Locker object with that thread.
    */
   static int GetCurrentThreadId();
 
   /**
    * Forcefully terminate execution of a JavaScript thread.  This can
    * be used to terminate long-running scripts.
@@ skipping 1081 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_