Revert "third_party/protobuf: Update to HEAD (f52e188fe4)"

third_party/protobuf/src/google/protobuf/map_test_util.cc

Index: third_party/protobuf/src/google/protobuf/map_test_util.cc
diff --git a/third_party/protobuf/src/google/protobuf/map_test_util.cc b/third_party/protobuf/src/google/protobuf/map_test_util.cc
index 3dd6aae555f287ed048f13fe09ec287bf07b7dee..ae094647bbc3a89baf66f065158d38176c1c1d34 100644
--- a/third_party/protobuf/src/google/protobuf/map_test_util.cc
+++ b/third_party/protobuf/src/google/protobuf/map_test_util.cc
@@ -867,7 +867,7 @@ void MapReflectionTester::RemoveLastMapsViaReflection(
     Message* message) {
   const Reflection* reflection = message->GetReflection();
 
-  std::vector<const FieldDescriptor*> output;
+  vector<const FieldDescriptor*> output;
   reflection->ListFields(*message, &output);
   for (int i = 0; i < output.size(); ++i) {
     const FieldDescriptor* field = output[i];
@@ -880,7 +880,7 @@ void MapReflectionTester::ReleaseLastMapsViaReflection(
     Message* message) {
   const Reflection* reflection = message->GetReflection();
 
-  std::vector<const FieldDescriptor*> output;
+  vector<const FieldDescriptor*> output;
   reflection->ListFields(*message, &output);
   for (int i = 0; i < output.size(); ++i) {
     const FieldDescriptor* field = output[i];
@@ -896,7 +896,7 @@ void MapReflectionTester::ReleaseLastMapsViaReflection(
 
 void MapReflectionTester::SwapMapsViaReflection(Message* message) {
   const Reflection* reflection = message->GetReflection();
-  std::vector<const FieldDescriptor*> output;
+  vector<const FieldDescriptor*> output;
   reflection->ListFields(*message, &output);
   for (int i = 0; i < output.size(); ++i) {
     const FieldDescriptor* field = output[i];