Updating documentation

chrome/common/extensions/api/appview_tag.idl

Index: chrome/common/extensions/api/appview_tag.idl
diff --git a/chrome/common/extensions/api/appview_tag.idl b/chrome/common/extensions/api/appview_tag.idl
index 2d8119c8b50bd9c06f27c483b7a99ca4c64be60b..4bc62935e0e652954ca787d5f1b215b20c6f274a 100644
--- a/chrome/common/extensions/api/appview_tag.idl
+++ b/chrome/common/extensions/api/appview_tag.idl
@@ -13,6 +13,9 @@ namespace appviewTag {
   // allow the embedding and what to embed based on the embedder making the
   // request.
   dictionary EmbedRequest {
+    // The ID of the app that sent the embedding request.
+    string embedderId;
+
     // Optional developer specified data that the app to be embedded can use
     // when making an embedding decision.
     object data;