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

apps/moterm/gl_helper_test_app.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.
 
 // This is a test application for gl_helper.*, which draws directly to a native
 // viewport (without using the view manager).
 
 #include <GLES2/gl2.h>
 #include <math.h>
 
@@ skipping 161 matching lines @@
     mojo::Transform identity_transform;
     identity_transform.matrix = mojo::Array<float>::New(16);
     for (size_t i = 0; i < 4; i++) {
       for (size_t j = 0; j < 4; j++)
         identity_transform.matrix[4 * i + j] = (i == j);
     }
     pass->transform_to_root_target = identity_transform.Clone();
     pass->has_transparent_background = false;
     pass->quads = mojo::Array<mojo::QuadPtr>::New(1);
     mojo::QuadPtr quad = mojo::Quad::New();
-    quad->material = mojo::MATERIAL_SURFACE_CONTENT;
+    quad->material = mojo::Material::SURFACE_CONTENT;
     quad->rect = viewport_rect.Clone();
     quad->opaque_rect = viewport_rect.Clone();
     quad->visible_rect = viewport_rect.Clone();
     quad->needs_blending = false;
     quad->shared_quad_state_index = 0;
     mojo::SurfaceQuadStatePtr surface_quad_state =
         mojo::SurfaceQuadState::New();
     surface_quad_state->surface = surface_id_.Clone();
     quad->surface_quad_state = surface_quad_state.Pass();
 
     pass->quads[0] = quad.Pass();
     pass->shared_quad_states = mojo::Array<mojo::SharedQuadStatePtr>::New(1);
     mojo::SharedQuadStatePtr shared_quad_state = mojo::SharedQuadState::New();
     shared_quad_state->content_to_target_transform = identity_transform.Clone();
     shared_quad_state->content_bounds = viewport_size_.Clone();
     shared_quad_state->visible_content_rect = viewport_rect.Clone();
     shared_quad_state->clip_rect = viewport_rect.Clone();
     shared_quad_state->is_clipped = false;
     shared_quad_state->opacity = 1;
-    shared_quad_state->blend_mode = mojo::SK_XFERMODE_kSrc_Mode;
+    shared_quad_state->blend_mode = mojo::SkXfermode::kSrc_Mode;
     shared_quad_state->sorting_context_id = 0;
     pass->shared_quad_states[0] = shared_quad_state.Pass();
     frame->passes[0] = pass.Pass();
 
     DCHECK(display_);
     display_->SubmitFrame(frame.Pass(), mojo::Display::SubmitFrameCallback());
   }
 
   // |mojo::ApplicationDelegate|:
   void Initialize(mojo::ApplicationImpl* application_impl) override {
@@ skipping 57 matching lines @@
 };
 
 const GLuint GlHelperExampleApp::kPositionLocation;
 
 }  // namespace
 
 MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunnerChromium runner(new GlHelperExampleApp());
   return runner.Run(application_request);
 }