Add reprioritization to socket pools.

net/socket/client_socket_handle.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 "net/socket/client_socket_handle.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 13 matching lines @@
       higher_pool_(NULL),
       reuse_type_(ClientSocketHandle::UNUSED),
       callback_(base::Bind(&ClientSocketHandle::OnIOComplete,
                            base::Unretained(this))),
       is_ssl_error_(false) {}
 
 ClientSocketHandle::~ClientSocketHandle() {
   Reset();
 }
 
+void ClientSocketHandle::SetPriority(RequestPriority priority) {
+  if (socket_) {
+    // The priority of the handle is no longer relevant to the socket pool;
+    // just return.
+    return;
+  }
+
+  if (pool_)
+    pool_->SetPriority(group_name_, this, priority);
+}
+
 void ClientSocketHandle::Reset() {
   ResetInternal(true);
   ResetErrorState();
 }
 
 void ClientSocketHandle::ResetInternal(bool cancel) {
   // Was Init called?
   if (!group_name_.empty()) {
     // If so, we must have a pool.
     CHECK(pool_);
@@ skipping 127 matching lines @@
   // Broadcast that the socket has been acquired.
   // TODO(eroman): This logging is not complete, in particular set_socket() and
   // release() socket. It ends up working though, since those methods are being
   // used to layer sockets (and the destination sources are the same).
   DCHECK(socket_.get());
   socket_->NetLog().BeginEvent(NetLogEventType::SOCKET_IN_USE,
                                requesting_source_.ToEventParametersCallback());
 }
 
 }  // namespace net