OOP PDF: Add whether a resource is embedded to StreamInfo.

chrome/common/extensions/api/streams_private.idl

Index: chrome/common/extensions/api/streams_private.idl
diff --git a/chrome/common/extensions/api/streams_private.idl b/chrome/common/extensions/api/streams_private.idl
index f7dacf9c34c3c727d7661abc7b3fc6b9e581a5da..ed24130849d4bdc651d5c3629e2d511153989ae3 100644
--- a/chrome/common/extensions/api/streams_private.idl
+++ b/chrome/common/extensions/api/streams_private.idl
@@ -31,6 +31,9 @@ namespace streamsPrivate {
     // multiple times, the header values are merged in the dictionary and
     // separated by a ", ".
     object responseHeaders;
+
+    // Whether the stream is embedded within another document.
+    boolean embedded;
   };
 
   callback AbortCallback = void ();