Move GLSurface and rename source files.

ui/gl/init/gl_surface_ozone.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 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_surface_ozone.h"
+#include "ui/gl/init/gl_surface_ozone.h"
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 667 matching lines @@
   std::unique_ptr<ui::SurfaceOzoneEGL> surface_ozone =
       ui::OzonePlatform::GetInstance()
           ->GetSurfaceFactoryOzone()
           ->CreateSurfacelessEGLSurfaceForWidget(window);
   if (!surface_ozone)
     return nullptr;
   return InitializeGLSurface(new GLSurfaceOzoneSurfacelessSurfaceImpl(
       std::move(surface_ozone), window));
 }
 
-EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() {
-  return ui::OzonePlatform::GetInstance()
-      ->GetSurfaceFactoryOzone()
-      ->GetNativeDisplay();
-}
-
 }  // namespace gl