Static state cleanup: add more consts.

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 41 matching lines @@
   // Returns whether logging is enabled.
   bool IsEnabled() {
     return !is_stopped_ && output_handle_ != NULL;
   }
 
   // Size of buffer used for formatting log messages.
   static const int kMessageBufferSize = 2048;
 
   // This mode is only used in tests, as temporary files are automatically
   // deleted on close and thus can't be accessed afterwards.
-  static const char* kLogToTemporaryFile;
+  static const char* const kLogToTemporaryFile;
 
  private:
   explicit Log(Logger* logger);
 
   // Opens stdout for logging.
   void OpenStdout();
 
   // Opens file for logging.
   void OpenFile(const char* name);
 
@@ skipping 70 matching lines @@
  private:
 
   Log* log_;
   ScopedLock sl;
   int pos_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOG_UTILS_H_