C++ize gpr_thread as grpc_core::Thread, make it 2-phase init (construct/Start)
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index ffeed05..b4b76c3 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -192,7 +192,6 @@
'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',
@@ -206,6 +205,7 @@
'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/gpr/alloc.cc',
'src/core/lib/gpr/arena.cc',
@@ -233,8 +233,6 @@
'src/core/lib/gpr/sync.cc',
'src/core/lib/gpr/sync_posix.cc',
'src/core/lib/gpr/sync_windows.cc',
- 'src/core/lib/gpr/thd_posix.cc',
- 'src/core/lib/gpr/thd_windows.cc',
'src/core/lib/gpr/time.cc',
'src/core/lib/gpr/time_posix.cc',
'src/core/lib/gpr/time_precise.cc',
@@ -244,6 +242,8 @@
'src/core/lib/gpr/tmpfile_posix.cc',
'src/core/lib/gpr/tmpfile_windows.cc',
'src/core/lib/gpr/wrap_memcpy.cc',
+ 'src/core/lib/gprpp/thd_posix.cc',
+ 'src/core/lib/gprpp/thd_windows.cc',
'src/core/lib/profiling/basic_timers.cc',
'src/core/lib/profiling/stap_timers.cc',
'src/core/ext/transport/chttp2/transport/bin_decoder.h',
@@ -720,7 +720,6 @@
'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',
@@ -734,6 +733,7 @@
'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',