Refactor context creation parameters into a struct.

ui/gl/init/gl_factory_ozone.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/gl/init/gl_factory.h"
 
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_context_egl.h"
@@ skipping 62 matching lines @@
   switch (GetGLImplementation()) {
     case kGLImplementationEGLGLES2:
       return GetGLWindowSystemBindingInfoEGL(info);
     default:
       return false;
   }
 }
 
 scoped_refptr<GLContext> CreateGLContext(GLShareGroup* share_group,
                                          GLSurface* compatible_surface,
-                                         GpuPreference gpu_preference) {
+                                         const GLContextAttribs& attribs) {
   TRACE_EVENT0("gpu", "gl::init::CreateGLContext");
 
   if (HasGLOzone()) {
     return GetGLOzone()->CreateGLContext(share_group, compatible_surface,
-                                         gpu_preference);
+                                         attribs);
   }
 
   switch (GetGLImplementation()) {
     case kGLImplementationMockGL:
       return scoped_refptr<GLContext>(new GLContextStub(share_group));
     case kGLImplementationOSMesaGL:
       return InitializeGLContext(new GLContextOSMesa(share_group),
-                                 compatible_surface, gpu_preference);
+                                 compatible_surface, attribs);
     case kGLImplementationEGLGLES2:
       return InitializeGLContext(new GLContextEGL(share_group),
-                                 compatible_surface, gpu_preference);
+                                 compatible_surface, attribs);
     default:
       NOTREACHED();
   }
   return nullptr;
 }
 
 scoped_refptr<GLSurface> CreateViewGLSurface(gfx::AcceleratedWidget window) {
   TRACE_EVENT0("gpu", "gl::init::CreateViewGLSurface");
 
   if (HasGLOzone())
@@ skipping 31 matching lines @@
     return CreateDefaultOffscreenGLSurface(size);
 
   // TODO(kylechar): This is deprecated and can be removed once all Ozone
   // platforms use GLOzone instead.
   return GetSurfaceFactoryOzone()->CreateOffscreenGLSurface(
       GetGLImplementation(), size);
 }
 
 }  // namespace init
 }  // namespace gl