Rename 'gpr++' directories to 'gprpp'.
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index ccaa211..3ebd121 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -192,13 +192,7 @@
     ss.dependency 'nanopb', '~> 0.3'
 
     # To save you from scrolling, this is the last part of the podspec.
-    ss.source_files = 'src/core/lib/gpr++/abstract.h',
-                      'src/core/lib/gpr++/atomic.h',
-                      'src/core/lib/gpr++/atomic_with_atm.h',
-                      'src/core/lib/gpr++/atomic_with_std.h',
-                      'src/core/lib/gpr++/manual_constructor.h',
-                      'src/core/lib/gpr++/memory.h',
-                      'src/core/lib/gpr/arena.h',
+    ss.source_files = 'src/core/lib/gpr/arena.h',
                       'src/core/lib/gpr/env.h',
                       'src/core/lib/gpr/fork.h',
                       'src/core/lib/gpr/mpscq.h',
@@ -209,6 +203,12 @@
                       'src/core/lib/gpr/thd_internal.h',
                       'src/core/lib/gpr/time_precise.h',
                       'src/core/lib/gpr/tmpfile.h',
+                      'src/core/lib/gprpp/abstract.h',
+                      'src/core/lib/gprpp/atomic.h',
+                      'src/core/lib/gprpp/atomic_with_atm.h',
+                      'src/core/lib/gprpp/atomic_with_std.h',
+                      'src/core/lib/gprpp/manual_constructor.h',
+                      'src/core/lib/gprpp/memory.h',
                       'src/core/lib/profiling/timers.h',
                       'src/core/lib/gpr/alloc.cc',
                       'src/core/lib/gpr/arena.cc',
@@ -344,11 +344,11 @@
                       'src/core/lib/compression/stream_compression_identity.h',
                       'src/core/lib/debug/stats.h',
                       'src/core/lib/debug/stats_data.h',
-                      'src/core/lib/gpr++/debug_location.h',
-                      'src/core/lib/gpr++/inlined_vector.h',
-                      'src/core/lib/gpr++/orphanable.h',
-                      'src/core/lib/gpr++/ref_counted.h',
-                      'src/core/lib/gpr++/ref_counted_ptr.h',
+                      'src/core/lib/gprpp/debug_location.h',
+                      'src/core/lib/gprpp/inlined_vector.h',
+                      'src/core/lib/gprpp/orphanable.h',
+                      'src/core/lib/gprpp/ref_counted.h',
+                      'src/core/lib/gprpp/ref_counted_ptr.h',
                       'src/core/lib/http/format_request.h',
                       'src/core/lib/http/httpcli.h',
                       'src/core/lib/http/parser.h',
@@ -718,13 +718,7 @@
                       'src/core/ext/filters/workarounds/workaround_utils.cc',
                       'src/core/plugin_registry/grpc_plugin_registry.cc'
 
-    ss.private_header_files = 'src/core/lib/gpr++/abstract.h',
-                              'src/core/lib/gpr++/atomic.h',
-                              'src/core/lib/gpr++/atomic_with_atm.h',
-                              'src/core/lib/gpr++/atomic_with_std.h',
-                              'src/core/lib/gpr++/manual_constructor.h',
-                              'src/core/lib/gpr++/memory.h',
-                              'src/core/lib/gpr/arena.h',
+    ss.private_header_files = 'src/core/lib/gpr/arena.h',
                               'src/core/lib/gpr/env.h',
                               'src/core/lib/gpr/fork.h',
                               'src/core/lib/gpr/mpscq.h',
@@ -735,6 +729,12 @@
                               'src/core/lib/gpr/thd_internal.h',
                               'src/core/lib/gpr/time_precise.h',
                               'src/core/lib/gpr/tmpfile.h',
+                              'src/core/lib/gprpp/abstract.h',
+                              'src/core/lib/gprpp/atomic.h',
+                              'src/core/lib/gprpp/atomic_with_atm.h',
+                              'src/core/lib/gprpp/atomic_with_std.h',
+                              'src/core/lib/gprpp/manual_constructor.h',
+                              'src/core/lib/gprpp/memory.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',
@@ -826,11 +826,11 @@
                               'src/core/lib/compression/stream_compression_identity.h',
                               'src/core/lib/debug/stats.h',
                               'src/core/lib/debug/stats_data.h',
-                              'src/core/lib/gpr++/debug_location.h',
-                              'src/core/lib/gpr++/inlined_vector.h',
-                              'src/core/lib/gpr++/orphanable.h',
-                              'src/core/lib/gpr++/ref_counted.h',
-                              'src/core/lib/gpr++/ref_counted_ptr.h',
+                              'src/core/lib/gprpp/debug_location.h',
+                              'src/core/lib/gprpp/inlined_vector.h',
+                              'src/core/lib/gprpp/orphanable.h',
+                              'src/core/lib/gprpp/ref_counted.h',
+                              'src/core/lib/gprpp/ref_counted_ptr.h',
                               'src/core/lib/http/format_request.h',
                               'src/core/lib/http/httpcli.h',
                               'src/core/lib/http/parser.h',