Add Resource Handler for creating Streams to forward to extensions

chrome/common/extensions/api/streams_private.json

Index: chrome/common/extensions/api/streams_private.json
diff --git a/chrome/common/extensions/api/streams_private.json b/chrome/common/extensions/api/streams_private.json
index fa0e30584d5c7b35e5b2b0df049a74b178a125e5..b27be43848baddcd3fb160be04e535d62031fa03 100644
--- a/chrome/common/extensions/api/streams_private.json
+++ b/chrome/common/extensions/api/streams_private.json
@@ -23,6 +23,11 @@
             "name": "originalUrl",
             "type": "string",
             "description": "The original URL that was intercepted."
+          },
+          {
+            "name": "streamUrl",
+            "type": "string",
+            "description": "The URL that the stream can be read from."
           }
         ]
       }