Update ICE protocol to handle closed channel

remoting/protocol/message_reader_unittest.cc

Index: remoting/protocol/message_reader_unittest.cc
diff --git a/remoting/protocol/message_reader_unittest.cc b/remoting/protocol/message_reader_unittest.cc
index 02bf273960f828b5e5d3ad435fd9e15a9cbe73d0..f67466a12dad5914abeb7f49cfefdeb24d381e8f 100644
--- a/remoting/protocol/message_reader_unittest.cc
+++ b/remoting/protocol/message_reader_unittest.cc
@@ -149,7 +149,7 @@ TEST_F(MessageReaderTest, TwoMessages_Separately) {
 
 // Read() returns error.
 TEST_F(MessageReaderTest, ReadError) {
-  socket_.AppendReadError(net::ERR_FAILED);
+  socket_.SetReadError(net::ERR_FAILED);
 
   EXPECT_CALL(callback_, OnMessage()).Times(0);
 
@@ -159,6 +159,18 @@ TEST_F(MessageReaderTest, ReadError) {
   EXPECT_FALSE(reader_);
 }
 
+// Read() returns 0 (end of stream).
+TEST_F(MessageReaderTest, EndOfStream) {
+  socket_.SetReadError(0);
+
+  EXPECT_CALL(callback_, OnMessage()).Times(0);
+
+  InitReader();
+
+  EXPECT_EQ(0, read_error_);
+  EXPECT_FALSE(reader_);
+}
+
 // Verify that we the OnMessage callback is not reentered.
 TEST_F(MessageReaderTest, ReadFromCallback) {
   AddMessage(kTestMessage1);