Fix a bunch of spelling mistakes :\

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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // This module contains the platform-specific code. This make the rest of the
 // code less dependent on operating system, compilers and runtime libraries.
 // This module does specifically not deal with differences between different
 // processor architecture.
 // The platform classes have the same definition for all platforms. The
 // implementation for a particular platform is put in platform_<os>.cc.
 // The build system then uses the implementation for the target platform.
 //
-// This design has been choosen because it is simple and fast. Alternatively,
+// This design has been chosen because it is simple and fast. Alternatively,
 // 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_
 
@@ skipping 91 matching lines @@
   // should go to stdout.
   static void Print(const char* format, ...);
   static void VPrint(const char* format, va_list args);
 
   // Print error output to console. This is mostly used for error message
   // output. On platforms that has standard terminal output, the output
   // should go to stderr.
   static void PrintError(const char* format, ...);
   static void VPrintError(const char* format, va_list args);
 
-  // Allocate/Free memory used by JS heap. Pages are readable/writeable, but
+  // Allocate/Free memory used by JS heap. Pages are readable/writable, but
   // they are not guaranteed to be executable unless 'executable' is true.
   // Returns the address of allocated memory, or NULL if failed.
   static void* Allocate(const size_t requested,
                         size_t* allocated,
                         bool executable);
   static void Free(void* buf, const size_t length);
   // Get the Alignment guaranteed by Allocate().
   static size_t AllocateAlignment();
 
   // Returns an indication of whether a pointer is in a space that
   // has been allocated by Allocate().  This method may conservatively
   // always return false, but giving more accurate information may
   // improve the robustness of the stack dump code in the presence of
   // heap corruption.
   static bool IsOutsideAllocatedSpace(void* pointer);
 
-  // Sleep for a number of miliseconds.
-  static void Sleep(const int miliseconds);
+  // Sleep for a number of milliseconds.
+  static void Sleep(const int milliseconds);
 
   // Abort the current process.
   static void Abort();
 
   // Debug break.
   static void DebugBreak();
 
   // Walk the stack.
   static const int kStackWalkError = -1;
   static const int kStackWalkMaxNameLen = 256;
@@ skipping 263 matching lines @@
   bool active_;
   PlatformData* data_;  // Platform specific data.
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal
 
 #endif  // V8_PLATFORM_H_