gpu: Add calling convention for win32

third_party/mojo/src/mojo/public/platform/native/gles2_impl_chromium_texture_mailbox_thunks.cc

 // Copyright 2014 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.
 
 #include "mojo/public/platform/native/gles2_impl_chromium_texture_mailbox_thunks.h"
 
 #include <assert.h>
 
 #include "mojo/public/platform/native/thunk_export.h"
 
 extern "C" {
 static MojoGLES2ImplChromiumTextureMailboxThunks
     g_impl_chromium_texture_mailbox_thunks = {0};
 
 #define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS)    \
-  ReturnType gl##Function PARAMETERS {                                \
+  ReturnType GL_APIENTRY gl##Function PARAMETERS {                    \
     assert(g_impl_chromium_texture_mailbox_thunks.Function);          \
     return g_impl_chromium_texture_mailbox_thunks.Function ARGUMENTS; \
   }
 #include "mojo/public/c/gles2/gles2_call_visitor_chromium_texture_mailbox_autogen.h"
 #undef VISIT_GL_CALL
 
 extern "C" THUNK_EXPORT size_t MojoSetGLES2ImplChromiumTextureMailboxThunks(
     const MojoGLES2ImplChromiumTextureMailboxThunks*
         gles2_impl_chromium_texture_mailbox_thunks) {
   if (gles2_impl_chromium_texture_mailbox_thunks->size >=
       sizeof(g_impl_chromium_texture_mailbox_thunks))
     g_impl_chromium_texture_mailbox_thunks =
         *gles2_impl_chromium_texture_mailbox_thunks;
   return sizeof(g_impl_chromium_texture_mailbox_thunks);
 }
 
 }  // extern "C"