Make PlatformChannelPair "dumb".

mojo/edk/system/data_pipe_impl_unittest.cc

Index: mojo/edk/system/data_pipe_impl_unittest.cc
diff --git a/mojo/edk/system/data_pipe_impl_unittest.cc b/mojo/edk/system/data_pipe_impl_unittest.cc
index 47b2703bd2b9acb3c354caa3258406c0613ed2a4..f161f3410da1e4ba4f872227cfd5eae5bd6e7f00 100644
--- a/mojo/edk/system/data_pipe_impl_unittest.cc
+++ b/mojo/edk/system/data_pipe_impl_unittest.cc
@@ -324,12 +324,12 @@ class RemoteDataPipeImplTestHelper : public DataPipeImplTestHelper {
     channels_[0] = MakeRefCounted<Channel>(&platform_support_);
     channels_[0]->Init(io_thread_.task_runner().Clone(),
                        io_thread_.platform_handle_watcher(),
-                       RawChannel::Create(channel_pair.PassServerHandle()));
+                       RawChannel::Create(channel_pair.handle0.Pass()));
     channels_[0]->SetBootstrapEndpoint(std::move(ep0));
     channels_[1] = MakeRefCounted<Channel>(&platform_support_);
     channels_[1]->Init(io_thread_.task_runner().Clone(),
                        io_thread_.platform_handle_watcher(),
-                       RawChannel::Create(channel_pair.PassClientHandle()));
+                       RawChannel::Create(channel_pair.handle1.Pass()));
     channels_[1]->SetBootstrapEndpoint(std::move(ep1));
   }