Changed MessageReader so that it doesn't read from the socket if there are

remoting/protocol/message_decoder_unittest.cc

Index: remoting/protocol/message_decoder_unittest.cc
diff --git a/remoting/protocol/message_decoder_unittest.cc b/remoting/protocol/message_decoder_unittest.cc
index 81bb6992a42c741c274c066eee04b4b228b1cf4f..c4217cbe89d3345924eb83d5d42568ce6164bcb5 100644
--- a/remoting/protocol/message_decoder_unittest.cc
+++ b/remoting/protocol/message_decoder_unittest.cc
@@ -71,12 +71,12 @@ void SimulateReadSequence(const int read_sequence[], int sequence_size) {
     memcpy(buffer->data(), test_data + i, read);
     decoder.AddData(buffer, read);
     while (true) {
-      CompoundBuffer message;
-      if (!decoder.GetNextMessage(&message))
+      scoped_ptr<CompoundBuffer> message(decoder.GetNextMessage());
+      if (!message.get())
         break;
 
       EventMessage* event = new EventMessage();
-      CompoundBufferInputStream stream(&message);
+      CompoundBufferInputStream stream(message.get());
       ASSERT_TRUE(event->ParseFromZeroCopyStream(&stream));
       message_list.push_back(event);
     }