Merge pull request #21419 from calixteman/chrome_ext_csp

[CRX] List all viewer-accessible schemes in the connect-src CSP

Author: calixteman

web/viewer.html

@@ -50,7 +50,7 @@
     <!--#elif CHROME-->
     <!--<meta
       http-equiv="Content-Security-Policy"
-      content="default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; worker-src 'self' blob:; style-src 'self'; style-src-elem 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src * blob: data:; base-uri 'self'; form-action 'none';"
+      content="default-src 'none'; script-src 'self' 'wasm-unsafe-eval'; worker-src 'self' blob:; style-src 'self'; style-src-elem 'self' 'unsafe-inline'; img-src 'self' blob: data:; font-src 'self' data:; connect-src * file: chrome-extension: blob: data: filesystem: drive:; base-uri 'self'; form-action 'none';"
     />-->
     <!--#else-->
     <!--<meta