[core] *TileMonitor => *TileSource

src/mbgl/tile/vector_tile_source.hpp

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <mbgl/tile/tile_source.hpp>
+#include <mbgl/tile/tile_id.hpp>
+
+namespace mbgl {
+
+class FileSource;
+
+class VectorTileSource : public GeometryTileSource {
+public:
+    VectorTileSource(const OverscaledTileID&,
+                     float pixelRatio,
+                     const std::string& urlTemplate,
+                     FileSource&);
+
+    std::unique_ptr<AsyncRequest> monitorTile(const GeometryTileSource::Callback&) override;
+
+private:
+    OverscaledTileID tileID;
+    float pixelRatio;
+    std::string urlTemplate;
+    FileSource& fileSource;
+};
+
+} // namespace mbgl