Massaging that pull request.
diff --git a/BUILD b/BUILD
index 00620b6..1f27ecd 100644
--- a/BUILD
+++ b/BUILD
@@ -459,6 +459,12 @@
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
     "include/grpc/status.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
     "include/grpc/census.h",
   ],
   includes = [
@@ -469,7 +475,6 @@
     "//external:libssl",
     "//external:zlib",
     ":gpr",
-    ":grpc_codegen_lib",
   ],
   copts = [
     "-std=gnu99",
@@ -478,6 +483,42 @@
 
 
 cc_library(
+  name = "grpc_codegen_lib",
+  srcs = [
+  ],
+  hdrs = [
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+  ],
+  includes = [
+    "include",
+    ".",
+  ],
+  deps = [
+    "//external:protobuf_compiler",
+  ],
+)
+
+
+cc_library(
   name = "grpc_unsecure",
   srcs = [
     "src/core/census/grpc_filter.h",
@@ -749,6 +790,12 @@
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
     "include/grpc/status.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
     "include/grpc/census.h",
   ],
   includes = [
@@ -757,7 +804,6 @@
   ],
   deps = [
     ":gpr",
-    ":grpc_codegen_lib",
   ],
   copts = [
     "-std=gnu99",
@@ -827,6 +873,7 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -873,6 +920,37 @@
     "include/grpc++/support/stub_options.h",
     "include/grpc++/support/sync_stream.h",
     "include/grpc++/support/time.h",
+    "include/grpc++/impl/codegen/async_stream.h",
+    "include/grpc++/impl/codegen/async_unary_call.h",
+    "include/grpc++/impl/codegen/call.h",
+    "include/grpc++/impl/codegen/call_hook.h",
+    "include/grpc++/impl/codegen/channel_interface.h",
+    "include/grpc++/impl/codegen/client_context.h",
+    "include/grpc++/impl/codegen/client_unary_call.h",
+    "include/grpc++/impl/codegen/completion_queue.h",
+    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/grpc_library.h",
+    "include/grpc++/impl/codegen/method_handler_impl.h",
+    "include/grpc++/impl/codegen/proto_utils.h",
+    "include/grpc++/impl/codegen/rpc_method.h",
+    "include/grpc++/impl/codegen/rpc_service_method.h",
+    "include/grpc++/impl/codegen/security/auth_context.h",
+    "include/grpc++/impl/codegen/serialization_traits.h",
+    "include/grpc++/impl/codegen/server_context.h",
+    "include/grpc++/impl/codegen/server_interface.h",
+    "include/grpc++/impl/codegen/service_type.h",
+    "include/grpc++/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/status_code_enum.h",
+    "include/grpc++/impl/codegen/string_ref.h",
+    "include/grpc++/impl/codegen/stub_options.h",
+    "include/grpc++/impl/codegen/sync.h",
+    "include/grpc++/impl/codegen/sync_cxx11.h",
+    "include/grpc++/impl/codegen/sync_no_cxx11.h",
+    "include/grpc++/impl/codegen/sync_stream.h",
+    "include/grpc++/impl/codegen/time.h",
   ],
   includes = [
     "include",
@@ -882,7 +960,74 @@
     "//external:libssl",
     "//external:protobuf_clib",
     ":grpc",
-    ":grpc++_codegen_lib",
+  ],
+)
+
+
+cc_library(
+  name = "grpc++_codegen_lib",
+  srcs = [
+    "src/cpp/codegen/codegen_init.cc",
+  ],
+  hdrs = [
+    "include/grpc/impl/codegen/alloc.h",
+    "include/grpc/impl/codegen/atm.h",
+    "include/grpc/impl/codegen/atm_gcc_atomic.h",
+    "include/grpc/impl/codegen/atm_gcc_sync.h",
+    "include/grpc/impl/codegen/atm_win32.h",
+    "include/grpc/impl/codegen/log.h",
+    "include/grpc/impl/codegen/port_platform.h",
+    "include/grpc/impl/codegen/slice.h",
+    "include/grpc/impl/codegen/slice_buffer.h",
+    "include/grpc/impl/codegen/sync.h",
+    "include/grpc/impl/codegen/sync_generic.h",
+    "include/grpc/impl/codegen/sync_posix.h",
+    "include/grpc/impl/codegen/sync_win32.h",
+    "include/grpc/impl/codegen/time.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/async_stream.h",
+    "include/grpc++/impl/codegen/async_unary_call.h",
+    "include/grpc++/impl/codegen/call.h",
+    "include/grpc++/impl/codegen/call_hook.h",
+    "include/grpc++/impl/codegen/channel_interface.h",
+    "include/grpc++/impl/codegen/client_context.h",
+    "include/grpc++/impl/codegen/client_unary_call.h",
+    "include/grpc++/impl/codegen/completion_queue.h",
+    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/grpc_library.h",
+    "include/grpc++/impl/codegen/method_handler_impl.h",
+    "include/grpc++/impl/codegen/proto_utils.h",
+    "include/grpc++/impl/codegen/rpc_method.h",
+    "include/grpc++/impl/codegen/rpc_service_method.h",
+    "include/grpc++/impl/codegen/security/auth_context.h",
+    "include/grpc++/impl/codegen/serialization_traits.h",
+    "include/grpc++/impl/codegen/server_context.h",
+    "include/grpc++/impl/codegen/server_interface.h",
+    "include/grpc++/impl/codegen/service_type.h",
+    "include/grpc++/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/status_code_enum.h",
+    "include/grpc++/impl/codegen/string_ref.h",
+    "include/grpc++/impl/codegen/stub_options.h",
+    "include/grpc++/impl/codegen/sync.h",
+    "include/grpc++/impl/codegen/sync_cxx11.h",
+    "include/grpc++/impl/codegen/sync_no_cxx11.h",
+    "include/grpc++/impl/codegen/sync_stream.h",
+    "include/grpc++/impl/codegen/time.h",
+  ],
+  includes = [
+    "include",
+    ".",
+  ],
+  deps = [
+    "//external:protobuf_compiler",
   ],
 )
 
@@ -919,6 +1064,7 @@
     "src/cpp/util/status.cc",
     "src/cpp/util/string_ref.cc",
     "src/cpp/util/time.cc",
+    "src/cpp/codegen/codegen_init.cc",
   ],
   hdrs = [
     "include/grpc++/alarm.h",
@@ -965,6 +1111,37 @@
     "include/grpc++/support/stub_options.h",
     "include/grpc++/support/sync_stream.h",
     "include/grpc++/support/time.h",
+    "include/grpc++/impl/codegen/async_stream.h",
+    "include/grpc++/impl/codegen/async_unary_call.h",
+    "include/grpc++/impl/codegen/call.h",
+    "include/grpc++/impl/codegen/call_hook.h",
+    "include/grpc++/impl/codegen/channel_interface.h",
+    "include/grpc++/impl/codegen/client_context.h",
+    "include/grpc++/impl/codegen/client_unary_call.h",
+    "include/grpc++/impl/codegen/completion_queue.h",
+    "include/grpc++/impl/codegen/completion_queue_tag.h",
+    "include/grpc++/impl/codegen/config.h",
+    "include/grpc++/impl/codegen/config_protobuf.h",
+    "include/grpc++/impl/codegen/core_codegen_interface.h",
+    "include/grpc++/impl/codegen/grpc_library.h",
+    "include/grpc++/impl/codegen/method_handler_impl.h",
+    "include/grpc++/impl/codegen/proto_utils.h",
+    "include/grpc++/impl/codegen/rpc_method.h",
+    "include/grpc++/impl/codegen/rpc_service_method.h",
+    "include/grpc++/impl/codegen/security/auth_context.h",
+    "include/grpc++/impl/codegen/serialization_traits.h",
+    "include/grpc++/impl/codegen/server_context.h",
+    "include/grpc++/impl/codegen/server_interface.h",
+    "include/grpc++/impl/codegen/service_type.h",
+    "include/grpc++/impl/codegen/status.h",
+    "include/grpc++/impl/codegen/status_code_enum.h",
+    "include/grpc++/impl/codegen/string_ref.h",
+    "include/grpc++/impl/codegen/stub_options.h",
+    "include/grpc++/impl/codegen/sync.h",
+    "include/grpc++/impl/codegen/sync_cxx11.h",
+    "include/grpc++/impl/codegen/sync_no_cxx11.h",
+    "include/grpc++/impl/codegen/sync_stream.h",
+    "include/grpc++/impl/codegen/time.h",
   ],
   includes = [
     "include",
@@ -974,7 +1151,6 @@
     "//external:protobuf_clib",
     ":gpr",
     ":grpc_unsecure",
-    ":grpc++_codegen_lib",
   ],
 )
 
@@ -1025,7 +1201,6 @@
   ],
   deps = [
     "//external:protobuf_compiler",
-    ":grpc_codegen_lib",
     ":grpc++_codegen_lib",
   ],
 )
@@ -1332,6 +1507,12 @@
     "include/grpc/compression.h",
     "include/grpc/grpc.h",
     "include/grpc/status.h",
+    "include/grpc/impl/codegen/byte_buffer.h",
+    "include/grpc/impl/codegen/compression_types.h",
+    "include/grpc/impl/codegen/connectivity_state.h",
+    "include/grpc/impl/codegen/grpc_types.h",
+    "include/grpc/impl/codegen/propagation_bits.h",
+    "include/grpc/impl/codegen/status.h",
     "include/grpc/census.h",
     "src/core/census/grpc_filter.h",
     "src/core/channel/channel_args.h",
@@ -1476,7 +1657,6 @@
   ],
   deps = [
     ":gpr_objc",
-    ":grpc_codegen_lib_objc",
     "//external:libssl_objc",
   ],
   sdk_dylibs = ["libz"],