Cast: Let the extension control if DSCP is on or off.

media/cast/net/cast_transport_sender_impl_unittest.cc

 // Copyright 2014 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 <gtest/gtest.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 63 matching lines @@
     task_runner_ = new test::FakeSingleThreadTaskRunner(&testing_clock_);
   }
 
   virtual ~CastTransportSenderImplTest() {}
 
   void InitWithoutLogging() {
     transport_sender_.reset(
         new CastTransportSenderImpl(NULL,
                                     &testing_clock_,
                                     net::IPEndPoint(),
+                                    "",
                                     base::Bind(&UpdateCastTransportStatus),
                                     BulkRawEventsCallback(),
                                     base::TimeDelta(),
                                     task_runner_,
                                     &transport_));
     task_runner_->RunTasks();
   }
 
   void InitWithLogging() {
     transport_sender_.reset(new CastTransportSenderImpl(
         NULL,
         &testing_clock_,
         net::IPEndPoint(),
+        "",
         base::Bind(&UpdateCastTransportStatus),
         base::Bind(&CastTransportSenderImplTest::LogRawEvents,
                    base::Unretained(this)),
         base::TimeDelta::FromMilliseconds(10),
         task_runner_,
         &transport_));
     task_runner_->RunTasks();
   }
 
   void InitializeVideo() {
@@ skipping 234 matching lines @@
   task_runner_->Sleep(base::TimeDelta::FromMilliseconds(2));
   transport_sender_->OnReceivedCastMessage(kVideoSsrc,
                                            RtcpCastMessageCallback(),
                                            cast_message);
   task_runner_->RunTasks();
   EXPECT_EQ(7, transport_.packets_sent());
 }
 
 }  // namespace cast
 }  // namespace media