Reverting again ... More crashes, and the instrumentation did not appear to help

net/socket/client_socket_handle.cc

Index: net/socket/client_socket_handle.cc
===================================================================
--- net/socket/client_socket_handle.cc	(revision 131144)
+++ net/socket/client_socket_handle.cc	(working copy)
@@ -17,8 +17,6 @@
 
 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 @@
   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();
@@ -81,28 +75,6 @@
   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::RemoveLayeredPool(LayeredPool* layered_pool) {
-  CHECK(layered_pool);
-  CHECK(layered_pool_);
-  if (pool_) {
-    pool_->RemoveLayeredPool(layered_pool);
-    layered_pool_ = NULL;
-  }
-}
-
 void ClientSocketHandle::OnIOComplete(int result) {
   CompletionCallback callback = user_callback_;
   user_callback_.Reset();