Added native EGL types for pepper platform.

ppapi/lib/gl/include/EGL/eglplatform.h

 #ifndef __eglplatform_h_
 #define __eglplatform_h_
 
 /*
 ** Copyright (c) 2007-2009 The Khronos Group Inc.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining a
 ** copy of this software and/or associated documentation files (the
 ** "Materials"), to deal in the Materials without restriction, including
 ** without limitation the rights to use, copy, modify, merge, publish,
@@ skipping 49 matching lines @@
  * Windows Device Context. They must be defined in platform-specific
  * code below. The EGL-prefixed versions of Native*Type are the same
  * types, renamed in EGL 1.3 so all types in the API start with "EGL".
  *
  * Khronos STRONGLY RECOMMENDS that you use the default definitions
  * provided below, since these changes affect both binary and source
  * portability of applications using EGL running on different EGL
  * implementations.
  */
 
-#if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN 1
-#endif
-#include <windows.h>
+#include "ppapi/c/pp_instance.h"
 
-typedef HDC     EGLNativeDisplayType;
-typedef HBITMAP EGLNativePixmapType;
-typedef HWND    EGLNativeWindowType;
-
-#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
-
-typedef int   EGLNativeDisplayType;
-typedef void *EGLNativeWindowType;
-typedef void *EGLNativePixmapType;
-
-#elif defined(__unix__)
-
-/* X11 (tentative)  */
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-typedef Display *EGLNativeDisplayType;
-typedef Pixmap   EGLNativePixmapType;
-typedef Window   EGLNativeWindowType;
-
-#else
-/* #error "Platform not recognized" */
-
-typedef int EGLNativeDisplayType;
-typedef int EGLNativePixmapType;
-typedef int EGLNativeWindowType;
-
-#endif
+typedef PP_Instance EGLNativeDisplayType;
+typedef PP_Instance EGLNativeWindowType;
+typedef khronos_int32_t EGLNativePixmapType;  // Not supported.
 
 /* EGL 1.2 types, renamed for consistency in EGL 1.3 */
 typedef EGLNativeDisplayType NativeDisplayType;
 typedef EGLNativePixmapType  NativePixmapType;
 typedef EGLNativeWindowType  NativeWindowType;
 
 
 /* Define EGLint. This must be a signed integral type large enough to contain
  * all legal attribute names and values passed into and out of EGL, whether
  * their type is boolean, bitmask, enumerant (symbolic constant), integer,
  * handle, or other.  While in general a 32-bit integer will suffice, if
  * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
  * integer type.
  */
 typedef khronos_int32_t EGLint;
 
 #endif /* __eglplatform_h */