Add audible support to the copresence API.

components/copresence/copresence_client.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/copresence/public/copresence_client.h"
 
 #include "base/bind.h"
 #include "components/copresence/public/copresence_client_delegate.h"
 #include "components/copresence/public/whispernet_client.h"
 #include "components/copresence/rpc/rpc_handler.h"
@@ skipping 11 matching lines @@
 
 // Public methods
 
 CopresenceClient::CopresenceClient(CopresenceClientDelegate* delegate)
     : delegate_(delegate), init_failed_(false), pending_init_operations_(0) {
   DVLOG(3) << "Initializing client.";
   pending_init_operations_++;
   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(),

[xiyuan, 2014/08/08 20:40:53]

If comment at line 30 is true, this change is not needed.

[rkc, 2014/08/08 21:24:37]

This code will go away with the RPC handler rebase.

                                       "Copresence device registration"));
 
   pending_init_operations_++;
   delegate_->GetWhispernetClient()->Initialize(
       base::Bind(&CopresenceClient::InitStepComplete,
                  // The WhispernetClient must discard this on Shutdown.
                  base::Unretained(this),
                  "Whispernet proxy initialization"));
 }
 
@@ skipping 52 matching lines @@
     LOG(ERROR) << step << " failed!";
     init_failed_ = true;
   }
 
   DVLOG(3) << "Init step: " << step << " complete.";
   pending_init_operations_--;
   CompleteInitialization();
 }
 
 }  // namespace copresence