Remove GetPlatformDefaultEGLNativeDisplay() function.

ui/gl/gl_egl_api_implementation.cc

 // Copyright (c) 2012 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 "ui/gl/gl_egl_api_implementation.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "ui/gl/gl_context.h"
@@ skipping 16 matching lines @@
 
 RealEGLApi* g_real_egl;
 
 void InitializeStaticGLBindingsEGL() {
   g_driver_egl.InitializeStaticBindings();
   if (!g_real_egl) {
     g_real_egl = new RealEGLApi();
   }
   g_real_egl->Initialize(&g_driver_egl);
   g_current_egl_context = g_real_egl;
-  g_driver_egl.InitializeExtensionBindings();
 
   // These two functions take single precision float rather than double
   // precision float parameters in GLES.
   ::gl::g_driver_gl.fn.glClearDepthFn = MarshalClearDepthToClearDepthf;
   ::gl::g_driver_gl.fn.glDepthRangeFn = MarshalDepthRangeToDepthRangef;
 }
 
 void InitializeDebugGLBindingsEGL() {
   g_driver_egl.InitializeDebugBindings();
 }
@@ skipping 75 matching lines @@
   if (vendor)
     info->vendor = vendor;
   if (version)
     info->version = version;
   if (extensions)
     info->extensions = extensions;
   return true;
 }
 
 }  // namespace gl