VM initialization refactoring.

src/platform.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 490 matching lines @@
   // the calling thread on entrance.
   virtual int Unlock() = 0;
 
   // Tries to lock the given mutex. Returns whether the mutex was
   // successfully locked.
   virtual bool TryLock() = 0;
 };
 
 
 // ----------------------------------------------------------------------------
-// ScopedLock/ScopedUnlock
+// ScopedLock
 //
-// Stack-allocated ScopedLocks/ScopedUnlocks provide block-scoped
-// locking and unlocking of a mutex.
+// Stack-allocated ScopedLocks provide block-scoped locking and
+// unlocking of a mutex.
 class ScopedLock {
  public:
   explicit ScopedLock(Mutex* mutex): mutex_(mutex) {
     ASSERT(mutex_ != NULL);
     mutex_->Lock();
   }
   ~ScopedLock() {
     mutex_->Unlock();
   }
 
@@ skipping 159 matching lines @@
   int samples_taken_;  // Counts stack samples taken.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_