refactor(ext/fetch): use primordials in 26_fetch.js

extensions/fetch/26_fetch.js

@@ -27,6 +27,10 @@
   } = window.__bootstrap.fetch;
   const abortSignal = window.__bootstrap.abortSignal;
   const { DOMException } = window.__bootstrap.domException;
+  const {
+    ArrayPrototypeIncludes,
+    TypedArrayPrototypeSubarray,
+  } = window.__bootstrap.primordials;
 
   const REQUEST_BODY_HEADER_NAMES = [
     "content-encoding",
@@ -104,7 +108,7 @@
           );
           if (read > 0) {
             // We read some data. Enqueue it onto the stream.
-            controller.enqueue(chunk.subarray(0, read));
+            controller.enqueue(TypedArrayPrototypeSubarray(chunk, 0, read));
           } else {
             // We have reached the end of the body, so we close the stream.
             controller.close();
@@ -335,7 +339,12 @@
       request.method = "GET";
       request.body = null;
       for (let i = 0; i < request.headerList.length; i++) {
-        if (REQUEST_BODY_HEADER_NAMES.includes(request.headerList[i][0])) {
+        if (
+          ArrayPrototypeIncludes(
+            REQUEST_BODY_HEADER_NAMES,
+            request.headerList[i][0],
+          )
+        ) {
           request.headerList.splice(i, 1);
           i--;
         }