[core] Don't share TransformState reference

src/mbgl/map/map.cpp

@@ -249,6 +249,7 @@ void Map::Impl::render(View& view) {
         pixelRatio,
         debugOptions,
         timePoint,
+        transform.getState(),
         style->getGlyphURL(),
         style->spriteLoaded,
         style->getTransitionOptions(),
@@ -258,8 +259,7 @@ void Map::Impl::render(View& view) {
         style->getLayerImpls(),
         scheduler,
         fileSource,
-        annotationManager,
-        transform.getState()
+        annotationManager
     });
 
     updateFlags = Update::Nothing;

src/mbgl/renderer/update_parameters.hpp

@@ -1,11 +1,11 @@
 #pragma once
 
 #include <mbgl/map/mode.hpp>
-#include <mbgl/map/update.hpp>
+#include <mbgl/map/transform_state.hpp>
+#include <mbgl/util/chrono.hpp>
 
 namespace mbgl {
 
-class TransformState;
 class Scheduler;
 class FileSource;
 class AnnotationManager;
@@ -16,6 +16,7 @@ public:
     const float pixelRatio;
     const MapDebugOptions debugOptions;
     const TimePoint timePoint;
+    const TransformState transformState;
 
     const std::string glyphURL;
     const bool spriteLoaded;
@@ -28,7 +29,6 @@ public:
     Scheduler& scheduler;
     FileSource& fileSource;
     AnnotationManager& annotationManager;
-    const TransformState& transformState;
 };
 
 } // namespace mbgl