Introduce PPB_AudioInput_Dev v0.3 and refactor the device enumeration code:

ppapi/proxy/plugin_dispatcher.cc

 // Copyright (c) 2012 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 "ppapi/proxy/plugin_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 324 matching lines @@
   }
 }
 
 // static
 void PluginDispatcher::LockedDispatchResourceReply(
     const ppapi::proxy::ResourceMessageReplyParams& reply_params,
     const IPC::Message& nested_msg) {
   Resource* resource = PpapiGlobals::Get()->GetResourceTracker()->GetResource(
       reply_params.pp_resource());
   if (!resource) {
-    if (reply_params.sequence())
-      NOTREACHED();
+    DLOG_IF(INFO, reply_params.sequence() != 0)
+        << "Pepper resource reply message received but the resource doesn't "
+           "exist (probably has been destroyed).";
     return;
   }
   resource->OnReplyReceived(reply_params, nested_msg);
 }
 
 }  // namespace proxy
 }  // namespace ppapi