Remove video_channel() from Session interface

remoting/protocol/rtp_video_reader_unittest.cc

Index: remoting/protocol/rtp_video_reader_unittest.cc
diff --git a/remoting/protocol/rtp_video_reader_unittest.cc b/remoting/protocol/rtp_video_reader_unittest.cc
index 2475d6adba52c238171a904414d1228626ac593d..3c6d5ef7a51cf19668adafb31dcb0a5eed9c1748 100644
--- a/remoting/protocol/rtp_video_reader_unittest.cc
+++ b/remoting/protocol/rtp_video_reader_unittest.cc
@@ -4,6 +4,7 @@
 
 #include <vector>
 
+#include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "net/base/io_buffer.h"
@@ -65,10 +66,16 @@ class RtpVideoReaderTest : public testing::Test,
   void Reset() {
     session_.reset(new FakeSession());
     reader_.reset(new RtpVideoReader());
-    reader_->Init(session_.get(), this);
+    reader_->Init(session_.get(), this,
+                  base::Bind(&RtpVideoReaderTest::OnReaderInitialized,
+                             base::Unretained(this)));
     received_packets_.clear();
   }
 
+  void OnReaderInitialized(bool success) {
+    ASSERT_TRUE(success);
+  }
+
   void InitData(int size) {
     data_.resize(size);
     for (int i = 0; i < size; ++i) {