Fixes for memory and threading issues in cast

chrome/renderer/media/cast_session_delegate.cc

 // Copyright 2013 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 "chrome/renderer/media/cast_session_delegate.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/public/renderer/p2p_socket_client.h"
 #include "content/public/renderer/render_thread.h"
@@ skipping 58 matching lines @@
     return;
 
   audio_encode_thread_.Start();
   video_encode_thread_.Start();
 
   // CastSender uses the renderer's IO thread as the main thread. This reduces
   // thread hopping for incoming video frames and outgoing network packets.
   // There's no need to decode so no thread assigned for decoding.
   // Get default logging: All disabled.
   cast_environment_ = new CastEnvironment(
-      &clock_,
+      scoped_ptr<base::TickClock>(new base::DefaultTickClock()).Pass(),
       base::MessageLoopProxy::current(),
       audio_encode_thread_.message_loop_proxy(),
       NULL,
       video_encode_thread_.message_loop_proxy(),
       NULL,
       base::MessageLoopProxy::current(),
       media::cast::GetDefaultCastSenderLoggingConfig());
 
   // TODO(hclam): Implement VideoEncoderController to configure hardware
   // encoder.
@@ skipping 32 matching lines @@
 
 void CastSessionDelegate::ReceivePacket(const std::vector<char>& packet) {
   uint8 *packet_copy = new uint8[packet.size()];
   memcpy(packet_copy, &packet[0], packet.size());
   cast_sender_->packet_receiver()->ReceivedPacket(
       packet_copy,
       packet.size(),
       base::Bind(&media::cast::transport::PacketReceiver::DeletePacket,
                  packet_copy));
 }