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

mojo/gpu/texture_uploader.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 "mojo/gpu/texture_uploader.h"
 
 #ifndef GL_GLEXT_PROTOTYPES
 #define GL_GLEXT_PROTOTYPES
 #endif
 
@@ skipping 27 matching lines @@
 
   context->MakeCurrent();
   glBindTexture(GL_TEXTURE_2D, texture->texture_id());
   GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM];
   glGenMailboxCHROMIUM(mailbox);
   glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox);
   GLuint sync_point = glInsertSyncPointCHROMIUM();
 
   mojo::TransferableResourcePtr resource = mojo::TransferableResource::New();
   resource->id = resource_id;
-  resource->format = mojo::RESOURCE_FORMAT_RGBA_8888;
+  resource->format = mojo::ResourceFormat::RGBA_8888;
   resource->filter = GL_LINEAR;
   resource->size = 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;
 
   mojo::QuadPtr quad = mojo::Quad::New();
-  quad->material = mojo::MATERIAL_TEXTURE_CONTENT;
+  quad->material = mojo::Material::TEXTURE_CONTENT;
 
   mojo::RectPtr rect = mojo::Rect::New();
   rect->width = size.width;
   rect->height = size.height;
   quad->rect = rect.Clone();
   quad->opaque_rect = rect.Clone();
   quad->visible_rect = rect.Clone();
   quad->needs_blending = true;
   quad->shared_quad_state_index = 0u;
 
@@ skipping 12 matching lines @@
 
   frame->resources.push_back(resource.Pass());
   quad->texture_quad_state = texture_state.Pass();
   pass->quads.push_back(quad.Pass());
 
   frame->passes.push_back(pass.Pass());
   return frame.Pass();
 }
 
 }  // namespace mojo