Clean up VMState a little bit.

src/log-utils.h

 // Copyright 2006-2009 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 26 matching lines @@
 
 // Functions and data for performing output of log messages.
 class Log {
  public:
   // Performs process-wide initialization.
   void Initialize();
 
   // Disables logging, but preserves acquired resources.
   void stop() { is_stopped_ = true; }
 
+  static bool InitLogAtStart() {
+    return FLAG_log || FLAG_log_runtime || FLAG_log_api
+        || FLAG_log_code || FLAG_log_gc || FLAG_log_handles || FLAG_log_suspect
+        || FLAG_log_regexp || FLAG_ll_prof || FLAG_log_internal_timer_events;
+  }
+
   // Frees all resources acquired in Initialize and Open... functions.
   // When a temporary file is used for the log, returns its stream descriptor,
   // leaving the file open.
   FILE* Close();
 
   // Returns whether logging is enabled.
   bool IsEnabled() {
     return !is_stopped_ && output_handle_ != NULL;
   }
 
@@ skipping 85 matching lines @@
 
  private:
   Log* log_;
   ScopedLock sl;
   int pos_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOG_UTILS_H_