mojo: add GL_APIENTRY

mojo/public/platform/native/gles2_impl_chromium_sub_image_thunks.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_SUB_IMAGE_THUNKS_H_
 #define MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_SUB_IMAGE_THUNKS_H_
 
 #include <stddef.h>
 
 #include "mojo/public/c/gles2/chromium_sub_image.h"
 
 // Specifies the frozen API for the GLES2 CHROMIUM_sub_image extension.
 #pragma pack(push, 8)
 struct MojoGLES2ImplChromiumSubImageThunks {
   size_t size;  // Should be set to sizeof(*this).
 
 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
-  ReturnType(*Function) PARAMETERS;
+  ReturnType(GL_APIENTRY *Function) PARAMETERS;
 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h"
 #undef VISIT_GL_CALL
 };
 #pragma pack(pop)
 
 // Intended to be called from the embedder to get the embedder's implementation
 // of GLES2.
 inline MojoGLES2ImplChromiumSubImageThunks
 MojoMakeGLES2ImplChromiumSubImageThunks() {
   MojoGLES2ImplChromiumSubImageThunks gles2_impl_chromium_sub_image_thunks = {
       sizeof(MojoGLES2ImplChromiumSubImageThunks),
 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) gl##Function,
 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h"
 #undef VISIT_GL_CALL
   };
 
   return gles2_impl_chromium_sub_image_thunks;
 }
 
 // Use this type for the function found by dynamically discovering it in
 // a DSO linked with mojo_system.
 // The contents of |gles2_impl_chromium_sub_image_thunks| are copied.
 typedef size_t (*MojoSetGLES2ImplChromiumSubImageThunksFn)(
     const MojoGLES2ImplChromiumSubImageThunks* thunks);
 
 #endif  // MOJO_PUBLIC_PLATFORM_NATIVE_GLES2_IMPL_CHROMIUM_SUB_IMAGE_THUNKS_H_