C++ize gpr_thread as grpc_core::Thread, make it 2-phase init (construct/Start)
diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 2f5465c..74f43a3 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -288,7 +288,6 @@
'src/core/lib/gpr/spinlock.h',
'src/core/lib/gpr/string.h',
'src/core/lib/gpr/string_windows.h',
- 'src/core/lib/gpr/thd.h',
'src/core/lib/gpr/time_precise.h',
'src/core/lib/gpr/tls.h',
'src/core/lib/gpr/tls_gcc.h',
@@ -302,6 +301,7 @@
'src/core/lib/gprpp/atomic_with_std.h',
'src/core/lib/gprpp/manual_constructor.h',
'src/core/lib/gprpp/memory.h',
+ 'src/core/lib/gprpp/thd.h',
'src/core/lib/profiling/timers.h',
'src/core/ext/transport/chttp2/transport/bin_decoder.h',
'src/core/ext/transport/chttp2/transport/bin_encoder.h',
@@ -541,7 +541,6 @@
'src/core/lib/gpr/spinlock.h',
'src/core/lib/gpr/string.h',
'src/core/lib/gpr/string_windows.h',
- 'src/core/lib/gpr/thd.h',
'src/core/lib/gpr/time_precise.h',
'src/core/lib/gpr/tls.h',
'src/core/lib/gpr/tls_gcc.h',
@@ -555,6 +554,7 @@
'src/core/lib/gprpp/atomic_with_std.h',
'src/core/lib/gprpp/manual_constructor.h',
'src/core/lib/gprpp/memory.h',
+ 'src/core/lib/gprpp/thd.h',
'src/core/lib/profiling/timers.h',
'src/core/lib/avl/avl.h',
'src/core/lib/backoff/backoff.h',
@@ -731,7 +731,6 @@
'src/core/lib/gpr/spinlock.h',
'src/core/lib/gpr/string.h',
'src/core/lib/gpr/string_windows.h',
- 'src/core/lib/gpr/thd.h',
'src/core/lib/gpr/time_precise.h',
'src/core/lib/gpr/tls.h',
'src/core/lib/gpr/tls_gcc.h',
@@ -745,6 +744,7 @@
'src/core/lib/gprpp/atomic_with_std.h',
'src/core/lib/gprpp/manual_constructor.h',
'src/core/lib/gprpp/memory.h',
+ 'src/core/lib/gprpp/thd.h',
'src/core/lib/profiling/timers.h',
'src/core/ext/filters/client_channel/backup_poller.h',
'src/core/ext/filters/client_channel/client_channel.h',