Add audible support to the copresence API.

components/copresence/copresence_client.cc

Index: components/copresence/copresence_client.cc
diff --git a/components/copresence/copresence_client.cc b/components/copresence/copresence_client.cc
index 17f906b59f3516e8cddd2bd9cf328cf7c77e5477..abb90c1c07123d527001d47de07bad65a016de38 100644
--- a/components/copresence/copresence_client.cc
+++ b/components/copresence/copresence_client.cc
@@ -29,7 +29,7 @@ CopresenceClient::CopresenceClient(CopresenceClientDelegate* delegate)
   rpc_handler_.reset(new RpcHandler(delegate));
   // We own the RpcHandler, so it won't outlive us.
   rpc_handler_->Initialize(base::Bind(&CopresenceClient::InitStepComplete,
-                                      base::Unretained(this),
+                                      AsWeakPtr(),

[Charlie, 2014/08/08 22:24:14]

Huh?

[rkc, 2014/08/09 06:58:54]

Will go away with the rebase once you land the RPC handler.

                                       "Copresence device registration"));
 
   pending_init_operations_++;