Ran generate_projects.sh.
diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index fa9b705..84daed1 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++
@@ -866,6 +866,7 @@
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/exec_ctx_fwd.h \
+include/grpc/impl/codegen/gpr_slice.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/port_platform.h \
diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index bca5652a..37e4ad3 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@@ -867,6 +867,7 @@
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/exec_ctx_fwd.h \
+include/grpc/impl/codegen/gpr_slice.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/grpc_types.h \
 include/grpc/impl/codegen/port_platform.h \
diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index ccbfe3a..da99037 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core
@@ -807,6 +807,8 @@
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/exec_ctx_fwd.h \
+include/grpc/impl/codegen/gpr_slice.h \
+include/grpc/impl/codegen/gpr_slice.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/grpc_types.h \
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index fc8fac3..4591aa5 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -807,6 +807,8 @@
 include/grpc/impl/codegen/compression_types.h \
 include/grpc/impl/codegen/connectivity_state.h \
 include/grpc/impl/codegen/exec_ctx_fwd.h \
+include/grpc/impl/codegen/gpr_slice.h \
+include/grpc/impl/codegen/gpr_slice.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/gpr_types.h \
 include/grpc/impl/codegen/grpc_types.h \