Remove more parts

src/browser/scrollable/iframe.ts

@@ -114,22 +114,3 @@ export class IframeUtils {
 /**
  * Returns a sha-256 composed of `parentOrigin` and `salt` converted to base 32
  */
-export async function parentOriginHash(parentOrigin: string, salt: string): Promise<string> {
-  // This same code is also inlined at `src/vs/workbench/services/extensions/worker/webWorkerExtensionHostIframe.html`
-  if (!crypto.subtle) {
-    throw new Error(`'crypto.subtle' is not available so webviews will not work. This is likely because the editor is not running in a secure context (https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts).`);
-  }
-
-  const strData = JSON.stringify({ parentOrigin, salt });
-  const encoder = new TextEncoder();
-  const arrData = encoder.encode(strData);
-  const hash = await crypto.subtle.digest('sha-256', arrData);
-  return sha256AsBase32(hash);
-}
-
-function sha256AsBase32(bytes: ArrayBuffer): string {
-  const array = Array.from(new Uint8Array(bytes));
-  const hexArray = array.map(b => b.toString(16).padStart(2, '0')).join('');
-  // sha256 has 256 bits, so we need at most ceil(lg(2^256-1)/lg(32)) = 52 chars to represent it in base 32
-  return BigInt(`0x${hexArray}`).toString(32).padStart(52, '0');
-}