IpcSocketFactory pending packet limit is too small

content/renderer/p2p/ipc_socket_factory.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 "content/renderer/p2p/ipc_socket_factory.h"
 
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "content/renderer/p2p/socket_client.h"
 #include "content/renderer/p2p/socket_dispatcher.h"
 #include "jingle/glue/utils.h"
 #include "third_party/libjingle/source/talk/base/asyncpacketsocket.h"
 
 namespace content {
 
 namespace {
 
-// TODO(sergeyu): Try adjusting these parameters to achieve optimal performance.
-const int kMaxPendingPackets = 8;
+// TODO(hclam): This shouldn't be a pre-defined value. Bug: crbug.com/181321.
+const int kMaxPendingPackets = 32;
 const int kWritableSignalThreshold = 0;
 
 // IpcPacketSocket implements talk_base::AsyncPacketSocket interface
 // using P2PSocketClient that works over IPC-channel. It must be used
 // on the thread it was created.
 class IpcPacketSocket : public talk_base::AsyncPacketSocket,
                         public P2PSocketClient::Delegate {
  public:
   IpcPacketSocket();
   virtual ~IpcPacketSocket();
@@ skipping 365 matching lines @@
   talk_base::SocketAddress crome_address;
   P2PSocketClient* socket_client = new P2PSocketClient(socket_dispatcher_);
   scoped_ptr<IpcPacketSocket> socket(new IpcPacketSocket());
   if (!socket->Init(P2P_SOCKET_TCP_CLIENT, socket_client, local_address,
                     remote_address))
     return NULL;
   return socket.release();
 }
 
 }  // namespace content