[core] Add support for data-driven styling

src/mbgl/programs/debug_program.hpp

@@ -7,21 +7,21 @@
 
 namespace mbgl {
 
-using DebugAttributes = gl::Attributes<
-    attributes::a_pos>;
-
 class DebugProgram : public Program<
     shaders::debug,
     gl::Line,
-    DebugAttributes,
+    gl::Attributes<
+        attributes::a_pos>,
     gl::Uniforms<
         uniforms::u_matrix,
-        uniforms::u_color>>
+        uniforms::u_color>,
+    style::PaintProperties<>>
 {
 public:
     using Program::Program;
 };
 
-using DebugVertex = DebugProgram::Vertex;
+using DebugLayoutVertex = DebugProgram::LayoutVertex;
+using DebugAttributes = DebugProgram::Attributes;
 
 } // namespace mbgl