New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape_frontend/custom_features_context.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "indexer/feature_decl.hpp"
+
+#include <map>
+#include <memory>
+#include <utility>
+
+namespace df
+{
+using CustomFeatures = std::map<FeatureID, bool>;
+
+struct CustomFeaturesContext
+{
+  CustomFeatures const m_features;
+
+  explicit CustomFeaturesContext(CustomFeatures && features)
+    : m_features(std::move(features))
+  {}
+
+  bool NeedDiscardGeometry(FeatureID const & id) const
+  {
+    auto const it = m_features.find(id);
+    if (it == m_features.cend())
+      return false;
+    return it->second;
+  }
+};
+
+using CustomFeaturesContextPtr = std::shared_ptr<CustomFeaturesContext>;
+using CustomFeaturesContextWeakPtr = std::weak_ptr<CustomFeaturesContext>;
+} //  namespace df