For c++, Generate enum classes instead of enum from mojom.

services/view_manager/connection_manager.cc

 // Copyright 2014 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 "services/view_manager/connection_manager.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/input_events/input_events_type_converters.h"
@@ skipping 39 matching lines @@
 // Recurses through all the children of |view| moving any cloned views to
 // |new_parent| stacked above |stack_above|. |stack_above| is updated as views
 // are moved.
 void ReparentClonedViews(ServerView* new_parent,
                          ServerView** stack_above,
                          ServerView* view) {
   if (view->id() == ClonedViewId()) {
     const gfx::Rect new_bounds(ConvertRectBetweenViews(
         view, new_parent, gfx::Rect(view->bounds().size())));
     new_parent->Add(view);
-    new_parent->Reorder(view, *stack_above, mojo::ORDER_DIRECTION_ABOVE);
+    new_parent->Reorder(view, *stack_above, mojo::OrderDirection::ABOVE);
     view->SetBounds(new_bounds);
     *stack_above = view;
     return;
   }
 
   for (ServerView* child : view->GetChildren())
     ReparentClonedViews(new_parent, stack_above, child);
 }
 
 // Deletes |view| and all its descendants.
@@ skipping 187 matching lines @@
   ServerView* view = GetView(view_id);
   if (!view || !view->IsDrawn(root_.get()) || view == root_.get())
     return false;
   if (!animation_timer_.IsRunning()) {
     animation_timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(100),
                            this, &ConnectionManager::DoAnimation);
   }
   ServerView* clone = CloneView(view, this);
   CloneViewTree(view, clone, this);
   view->parent()->Add(clone);
-  view->parent()->Reorder(clone, view, mojo::ORDER_DIRECTION_ABOVE);
+  view->parent()->Reorder(clone, view, mojo::OrderDirection::ABOVE);
   return true;
 }
 
 void ConnectionManager::ProcessViewBoundsChanged(const ServerView* view,
                                                  const gfx::Rect& old_bounds,
                                                  const gfx::Rect& new_bounds) {
   for (auto& pair : connection_map_) {
     pair.second->service()->ProcessViewBoundsChanged(
         view, old_bounds, new_bounds, IsChangeSource(pair.first));
   }
@@ skipping 219 matching lines @@
 void ConnectionManager::SetViewportSize(mojo::SizePtr size) {
   gfx::Size new_size = size.To<gfx::Size>();
   display_manager_->SetViewportSize(new_size);
 }
 
 void ConnectionManager::CloneAndAnimate(mojo::Id transport_view_id) {
   CloneAndAnimate(ViewIdFromTransportId(transport_view_id));
 }
 
 }  // namespace view_manager