Updated Khronos GLES2 headers.

third_party/khronos/KHR/khrplatform.h

Index: third_party/khronos/KHR/khrplatform.h
diff --git a/third_party/khronos/KHR/khrplatform.h b/third_party/khronos/KHR/khrplatform.h
index 8ec0d199ff04d27e5f2e9eb37c97c14ad770f993..444ec663ebe8b9b0dc99aa5a7853c0f8e1df1b72 100644
--- a/third_party/khronos/KHR/khrplatform.h
+++ b/third_party/khronos/KHR/khrplatform.h
@@ -26,7 +26,7 @@
 
 /* Khronos platform-specific types and definitions.
  *
- * $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
+ * $Revision: 23298 $ on $Date: 2013-09-30 17:07:13 -0700 (Mon, 30 Sep 2013) $
  *
  * Adopters may modify this file to suit their platform. Adopters are
  * encouraged to submit platform specific modifications to the Khronos
@@ -119,6 +119,28 @@
 #endif
 
 /*-------------------------------------------------------------------------
+ * Chromium-specific overrides of KHRONOS_APICALL and KHRONOS_APIENTRY
+ *-----------------------------------------------------------------------*/
+
+#undef KHRONOS_APICALL
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+#if defined(GLES2_C_LIB_IMPLEMENTATION)
+#   define KHRONOS_APICALL __declspec(dllexport)
+#else 
+#   define KHRONOS_APICALL __declspec(dllimport)
+#endif /* defined(GLES2_C_LIB_IMPLEMENTATION) */
+#else
+#   define KHRONOS_APICALL __attribute__((visibility("default")))
+#endif /* defined(WIN32) */
+#else
+#   define KHRONOS_APICALL
+#endif
+
+#undef KHRONOS_APIENTRY
+#define KHRONOS_APIENTRY
+
+/*-------------------------------------------------------------------------
  * Definition of KHRONOS_APIATTRIBUTES
  *-------------------------------------------------------------------------
  * This follows the closing parenthesis of the function prototype arguments.
@@ -221,10 +243,23 @@ typedef signed   char          khronos_int8_t;
 typedef unsigned char          khronos_uint8_t;
 typedef signed   short int     khronos_int16_t;
 typedef unsigned short int     khronos_uint16_t;
+
+/*
+ * Types that differ between LLP64 and LP64 architectures - in LLP64, 
+ * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
+ * to be the only LLP64 architecture in current use.
+ */
+#ifdef _WIN64
+typedef signed   long long int khronos_intptr_t;
+typedef unsigned long long int khronos_uintptr_t;
+typedef signed   long long int khronos_ssize_t;
+typedef unsigned long long int khronos_usize_t;
+#else
 typedef signed   long  int     khronos_intptr_t;
 typedef unsigned long  int     khronos_uintptr_t;
 typedef signed   long  int     khronos_ssize_t;
 typedef unsigned long  int     khronos_usize_t;
+#endif
 
 #if KHRONOS_SUPPORT_FLOAT
 /*