Revert r113405, since it appears to be causing a crash and a hang.

net/socket/client_socket_handle.cc

Index: net/socket/client_socket_handle.cc
diff --git a/net/socket/client_socket_handle.cc b/net/socket/client_socket_handle.cc
index fbe9d800f7577734844f4b44a6b84424f2f86cae..8cc0e90cc4bfd6a8e7dab71296b75c2c854aa051 100644
--- a/net/socket/client_socket_handle.cc
+++ b/net/socket/client_socket_handle.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -17,8 +17,6 @@ namespace net {
 
 ClientSocketHandle::ClientSocketHandle()
     : is_initialized_(false),
-      pool_(NULL),
-      layered_pool_(NULL),
       is_reused_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(callback_(
           base::Bind(&ClientSocketHandle::OnIOComplete,
@@ -54,10 +52,6 @@ void ClientSocketHandle::ResetInternal(bool cancel) {
   group_name_.clear();
   is_reused_ = false;
   user_callback_.Reset();
-  if (layered_pool_) {
-    pool_->RemoveLayeredPool(layered_pool_);
-    layered_pool_ = NULL;
-  }
   pool_ = NULL;
   idle_time_ = base::TimeDelta();
   init_time_ = base::TimeTicks();
@@ -81,19 +75,6 @@ LoadState ClientSocketHandle::GetLoadState() const {
   return pool_->GetLoadState(group_name_, this);
 }
 
-bool ClientSocketHandle::IsPoolStalled() const {
-  return pool_->IsStalled();
-}
-
-void ClientSocketHandle::AddLayeredPool(LayeredPool* layered_pool) {
-  CHECK(layered_pool);
-  CHECK(!layered_pool_);
-  if (pool_) {
-    pool_->AddLayeredPool(layered_pool);
-    layered_pool_ = layered_pool;
-  }
-}
-
 void ClientSocketHandle::OnIOComplete(int result) {
   CompletionCallback callback = user_callback_;
   user_callback_.Reset();