Refactor context creation parameters into a struct.

ui/ozone/common/gl_ozone_egl.cc

 // 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/ozone/common/gl_ozone_egl.h"
 
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_context_egl.h"
 #include "ui/gl/gl_egl_api_implementation.h"
@@ skipping 36 matching lines @@
 }
 
 bool GLOzoneEGL::GetGLWindowSystemBindingInfo(
     gl::GLWindowSystemBindingInfo* info) {
   return gl::GetGLWindowSystemBindingInfoEGL(info);
 }
 
 scoped_refptr<gl::GLContext> GLOzoneEGL::CreateGLContext(
     gl::GLShareGroup* share_group,
     gl::GLSurface* compatible_surface,
-    gl::GpuPreference gpu_preference) {
+    const gl::GLContextAttribs& attribs) {
   return gl::InitializeGLContext(new gl::GLContextEGL(share_group),
-                                 compatible_surface, gpu_preference);
+                                 compatible_surface, attribs);
 }
 
 scoped_refptr<gl::GLSurface> GLOzoneEGL::CreateSurfacelessViewGLSurface(
     gfx::AcceleratedWidget window) {
   // This will usually not be implemented by the platform specific version.
   return nullptr;
 }
 
 }  // namespace ui