Node -> Measure func map instead of vec (#1581)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1581

This is better than just trusting the order of the measure func call. Now each measure function I/O is associated with a node in the JSON.

Reviewed By: NickGerleman

Differential Revision: D53776790

fbshipit-source-id: 793cf2d9cbf6f663d24848af0af30aa297614eea

capture/CaptureTree.h

@@ -8,6 +8,8 @@
 #pragma once
 
 #include <filesystem>
+#include <unordered_map>
+#include <vector>
 
 #include <yoga/Yoga.h>
 
@@ -23,6 +25,9 @@ struct SerializedMeasureFunc {
   std::chrono::steady_clock::duration::rep durationNs;
 };
 
+using SerializedMeasureFuncMap =
+    std::unordered_map<YGNodeConstRef, std::vector<SerializedMeasureFunc>>;
+
 void YGNodeCalculateLayoutWithCapture(
     YGNodeRef node,
     float availableWidth,
@@ -31,6 +36,7 @@ void YGNodeCalculateLayoutWithCapture(
     const std::filesystem::path& path);
 
 void captureMeasureFunc(
+    YGNodeConstRef node,
     float width,
     YGMeasureMode widthMode,
     float height,