Add some missing includes and other minor changes intended to keep...

src/platform.h

 // Copyright 2006-2008 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 @@
 // the platform dependent classes could have been implemented using abstract
 // superclasses with virtual methods and having specializations for each
 // platform. This design was rejected because it was more complicated and
 // slower. It would require factory methods for selecting the right
 // implementation and the overhead of virtual methods for performance
 // sensitive like mutex locking/unlocking.
 
 #ifndef V8_PLATFORM_H_
 #define V8_PLATFORM_H_
 
+#include "utils.h"
+#include "v8globals.h"
+
 #define V8_INFINITY INFINITY
 
 // Windows specific stuff.
 #ifdef WIN32
 
 // Microsoft Visual C++ specific stuff.
 #ifdef _MSC_VER
 
 enum {
   FP_NAN,
@@ skipping 59 matching lines @@
 #include "atomicops.h"
 
 namespace v8 {
 namespace internal {
 
 // Use AtomicWord for a machine-sized pointer. It is assumed that
 // reads and writes of naturally aligned values of this type are atomic.
 typedef intptr_t AtomicWord;
 
 class Semaphore;
+class Mutex;
 
 double ceiling(double x);
 double modulo(double x, double y);
 
 // Forward declarations.
 class Socket;
 
 // ----------------------------------------------------------------------------
 // OS
 //
@@ skipping 468 matching lines @@
   PlatformData* data_;  // Platform specific data.
   int samples_taken_;  // Counts stack samples taken.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_