Add @webref/idl dependency

Signed-off-by: Victor Porof <victorporof@chromium.org>
Bug: 1325812
Change-Id: I044170880d20ce0402062755787cccafd63c6a42
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3695370
Reviewed-by: Mathias Bynens <mathias@chromium.org>
diff --git a/node_modules/@webref/idl/encoding.idl b/node_modules/@webref/idl/encoding.idl
new file mode 100644
index 0000000..a8cbe44
--- /dev/null
+++ b/node_modules/@webref/idl/encoding.idl
@@ -0,0 +1,59 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Encoding Standard (https://encoding.spec.whatwg.org/)
+
+interface mixin TextDecoderCommon {
+  readonly attribute DOMString encoding;
+  readonly attribute boolean fatal;
+  readonly attribute boolean ignoreBOM;
+};
+
+dictionary TextDecoderOptions {
+  boolean fatal = false;
+  boolean ignoreBOM = false;
+};
+
+dictionary TextDecodeOptions {
+  boolean stream = false;
+};
+
+[Exposed=*]
+interface TextDecoder {
+  constructor(optional DOMString label = "utf-8", optional TextDecoderOptions options = {});
+
+  USVString decode(optional [AllowShared] BufferSource input, optional TextDecodeOptions options = {});
+};
+TextDecoder includes TextDecoderCommon;
+
+interface mixin TextEncoderCommon {
+  readonly attribute DOMString encoding;
+};
+
+dictionary TextEncoderEncodeIntoResult {
+  unsigned long long read;
+  unsigned long long written;
+};
+
+[Exposed=*]
+interface TextEncoder {
+  constructor();
+
+  [NewObject] Uint8Array encode(optional USVString input = "");
+  TextEncoderEncodeIntoResult encodeInto(USVString source, [AllowShared] Uint8Array destination);
+};
+TextEncoder includes TextEncoderCommon;
+
+[Exposed=*]
+interface TextDecoderStream {
+  constructor(optional DOMString label = "utf-8", optional TextDecoderOptions options = {});
+};
+TextDecoderStream includes TextDecoderCommon;
+TextDecoderStream includes GenericTransformStream;
+
+[Exposed=*]
+interface TextEncoderStream {
+  constructor();
+};
+TextEncoderStream includes TextEncoderCommon;
+TextEncoderStream includes GenericTransformStream;