Rename GrpcRpcManager -> ThreadManager
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index dac227d..7a95526 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -861,9 +861,9 @@
 src/cpp/server/secure_server_credentials.h \
 src/cpp/client/create_channel_internal.h \
 src/cpp/common/channel_filter.h \
-src/cpp/rpcmanager/grpc_rpc_manager.h \
 src/cpp/server/dynamic_thread_pool.h \
 src/cpp/server/thread_pool_interface.h \
+src/cpp/thread_manager/thread_manager.h \
 src/cpp/client/insecure_credentials.cc \
 src/cpp/client/secure_credentials.cc \
 src/cpp/common/auth_property_iterator.cc \
@@ -884,7 +884,6 @@
 src/cpp/common/completion_queue_cc.cc \
 src/cpp/common/core_codegen.cc \
 src/cpp/common/rpc_method.cc \
-src/cpp/rpcmanager/grpc_rpc_manager.cc \
 src/cpp/server/async_generic_service.cc \
 src/cpp/server/create_default_thread_pool.cc \
 src/cpp/server/dynamic_thread_pool.cc \
@@ -893,6 +892,7 @@
 src/cpp/server/server_context.cc \
 src/cpp/server/server_credentials.cc \
 src/cpp/server/server_posix.cc \
+src/cpp/thread_manager/thread_manager.cc \
 src/cpp/util/byte_buffer_cc.cc \
 src/cpp/util/slice_cc.cc \
 src/cpp/util/status.cc \