eglWaitSyncKHR is part of the EGL_KHR_wait_sync extension

ui/gl/gl_bindings_autogen_egl.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.
 //
 // This file is auto-generated from
 // ui/gl/generate_bindings.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 191 matching lines @@
 
   debug_fn.eglQuerySurfacePointerANGLEFn = 0;
   if (ext.b_EGL_ANGLE_query_surface_pointer) {
     fn.eglQuerySurfacePointerANGLEFn =
         reinterpret_cast<eglQuerySurfacePointerANGLEProc>(
             GetGLProcAddress("eglQuerySurfacePointerANGLE"));
     DCHECK(fn.eglQuerySurfacePointerANGLEFn);
   }
 
   debug_fn.eglWaitSyncKHRFn = 0;
-  if (ext.b_EGL_KHR_fence_sync || ext.b_EGL_KHR_wait_sync) {
+  if (ext.b_EGL_KHR_wait_sync) {
     fn.eglWaitSyncKHRFn = reinterpret_cast<eglWaitSyncKHRProc>(
         GetGLProcAddress("eglWaitSyncKHR"));
     DCHECK(fn.eglWaitSyncKHRFn);
   }
 
   if (g_debugBindingsInitialized)
     InitializeDebugBindings();
 }
 
 extern "C" {
@@ skipping 1261 matching lines @@
 }
 
 EGLint TraceEGLApi::eglWaitSyncKHRFn(EGLDisplay dpy,
                                      EGLSyncKHR sync,
                                      EGLint flags) {
   TRACE_EVENT_BINARY_EFFICIENT0("gpu", "TraceGLAPI::eglWaitSyncKHR")
   return egl_api_->eglWaitSyncKHRFn(dpy, sync, flags);
 }
 
 }  // namespace gfx