Refactor GL surface format handling

gpu/ipc/service/image_transport_surface_linux.cc

 // Copyright 2013 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 "gpu/ipc/service/image_transport_surface.h"
 
 #include "gpu/ipc/service/pass_through_image_transport_surface.h"
 #include "ui/gl/init/gl_factory.h"
 
 namespace gpu {
 
 // static
 scoped_refptr<gl::GLSurface> ImageTransportSurface::CreateNativeSurface(
     base::WeakPtr<ImageTransportSurfaceDelegate> delegate,
     SurfaceHandle surface_handle,
-    gl::GLSurface::Format format) {
+    gl::GLSurfaceFormat format) {
   DCHECK_NE(surface_handle, kNullSurfaceHandle);
   scoped_refptr<gl::GLSurface> surface;
 #if defined(USE_OZONE)
   surface = gl::init::CreateSurfacelessViewGLSurface(surface_handle);
 #endif
   if (!surface)
     surface = gl::init::CreateViewGLSurface(surface_handle);
   if (!surface)
     return surface;
   return scoped_refptr<gl::GLSurface>(
       new PassThroughImageTransportSurface(delegate, surface.get()));
 }
 
 }  // namespace gpu