Redesign the copresence audio handlers.

chrome/browser/resources/whispernet_proxy/js/init.js

Index: chrome/browser/resources/whispernet_proxy/js/init.js
diff --git a/chrome/browser/resources/whispernet_proxy/js/init.js b/chrome/browser/resources/whispernet_proxy/js/init.js
index a5b11c9faebdad44d4ffd25d98e195d7c0ed7b6d..997498c8923e9c2378424b577e68dbe96968e329 100644
--- a/chrome/browser/resources/whispernet_proxy/js/init.js
+++ b/chrome/browser/resources/whispernet_proxy/js/init.js
@@ -50,11 +50,12 @@ function encodeTokenRequest(token, audible) {
 
 /**
  * Sends a request to whispernet to decode samples.
+ * @param {string} type Type of decoding to perform.

[Daniel Erat, 2014/10/17 22:25:59]

document the acceptable values (or at least that this is DecodeRequestType)?

[rkc, 2014/10/18 00:21:54]

Code changed. This is now an object.

  * @param {ArrayBuffer} samples Array of samples to decode.
  */
-function decodeSamplesRequest(samples) {
+function decodeSamplesRequest(type, samples) {
   if (whisperDecoder) {
-    whisperDecoder.processSamples(samples);
+    whisperDecoder.processSamples(type, samples);
   } else {
     console.error('decodeSamplesRequest: Whisper not initialized!');
   }