Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/cmake/libprotoc.cmake

Index: third_party/protobuf/cmake/libprotoc.cmake
diff --git a/third_party/protobuf/cmake/libprotoc.cmake b/third_party/protobuf/cmake/libprotoc.cmake
index 215abcd866f4fb82defc9fb6e33170ca9455053d..8df8986a113346114e82b1730f0d484366df26b0 100644
--- a/third_party/protobuf/cmake/libprotoc.cmake
+++ b/third_party/protobuf/cmake/libprotoc.cmake
@@ -72,7 +72,6 @@ set(libprotoc_files
   ${protobuf_source_dir}/src/google/protobuf/compiler/javanano/javanano_message_field.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/js/js_generator.cc
-  ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types_embed.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_enum.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_extension.cc
@@ -85,7 +84,6 @@ set(libprotoc_files
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_message_field.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/objectivec/objectivec_primitive_field.cc
-  ${protobuf_source_dir}/src/google/protobuf/compiler/php/php_generator.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/plugin.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/plugin.pb.cc
   ${protobuf_source_dir}/src/google/protobuf/compiler/python/python_generator.cc
@@ -94,18 +92,6 @@ set(libprotoc_files
   ${protobuf_source_dir}/src/google/protobuf/compiler/zip_writer.cc
 )
 
-set(js_well_known_types_sources,
-  ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types/any.js
-  ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types/struct.js
-  ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types/timestamp.js
-)
-add_executable(js_embed ${protobuf_source_dir}/src/google/protobuf/compiler/js/embed.cc)
-add_custom_command(
-  OUTPUT ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types_embed.cc
-  DEPENDS js_embed ${js_well_known_types_sources}
-  COMMAND js_embed ${js_well_known_types_sources} > ${protobuf_source_dir}/src/google/protobuf/compiler/js/well_known_types_embed.cc
-)
-
 add_library(libprotoc ${protobuf_SHARED_OR_STATIC}
   ${libprotoc_files})
 target_link_libraries(libprotoc libprotobuf)