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

apps/moterm/gl_helper.cc

 // Copyright 2015 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 "apps/moterm/gl_helper.h"
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
@@ skipping 90 matching lines @@
   mojo::FramePtr frame = mojo::Frame::New();
 
   // Frame resources:
   frame->resources.push_back(mojo::TransferableResource::New());
   mojo::TransferableResource* resource = frame->resources[0].get();
   resource->id = next_resource_id_++;
   textures_pending_return_.push_back(
       TextureInfo(resource->id, frame_texture_, current_surface_size_));
   frame_texture_ = 0;
   // TODO(vtl): This is wrong, but doesn't seem to have an effect.
-  resource->format = mojo::RESOURCE_FORMAT_RGBA_8888;
+  resource->format = mojo::ResourceFormat::RGBA_8888;
   resource->filter = GL_LINEAR;
   resource->size = current_surface_size_.Clone();
   mojo::MailboxHolderPtr mailbox_holder = mojo::MailboxHolder::New();
   mailbox_holder->mailbox = mojo::Mailbox::New();
   for (int i = 0; i < GL_MAILBOX_SIZE_CHROMIUM; ++i)
     mailbox_holder->mailbox->name.push_back(mailbox[i]);
   mailbox_holder->texture_target = GL_TEXTURE_2D;
   mailbox_holder->sync_point = sync_point;
   resource->mailbox_holder = mailbox_holder.Pass();
   resource->is_repeated = false;
   resource->is_software = false;
 
   // Frame passes:
   frame->passes.push_back(mojo::CreateDefaultPass(1, size_rect));
   mojo::Pass* pass = frame->passes[0].get();
   pass->quads.push_back(mojo::Quad::New());
   mojo::Quad* quad = pass->quads[0].get();
-  quad->material = mojo::MATERIAL_TEXTURE_CONTENT;
+  quad->material = mojo::Material::TEXTURE_CONTENT;
   quad->rect = size_rect.Clone();
   quad->opaque_rect = size_rect.Clone();
   quad->visible_rect = size_rect.Clone();
   quad->needs_blending = true;
   quad->shared_quad_state_index = 0;
   quad->texture_quad_state = mojo::TextureQuadState::New();
   mojo::TextureQuadState* texture_state = quad->texture_quad_state.get();
   texture_state->resource_id = resource->id;
   texture_state->premultiplied_alpha = true;
   texture_state->uv_top_left = mojo::PointF::New();
@@ skipping 178 matching lines @@
   textures_pending_return_.clear();
 
   // We're in a callback, so we can just call the client directly.
   client_->OnContextLost();
 }
 
 void GlHelper::SubmitFrameCallback(uint32_t frame_id) {
   // We're in a callback, so we can just call the client directly.
   client_->OnFrameDisplayed(frame_id);
 }