Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h

Index: third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h
diff --git a/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h b/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h
index 9ca9115313bfec91663d5b67667bfbb1045f789f..d8d9279c9712025fb8476494e796577ec589174b 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h
+++ b/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.h
@@ -59,26 +59,23 @@ class MessageFieldGenerator : public FieldGenerator {
                                          bool is_inline) const;
   void GenerateNonInlineAccessorDefinitions(io::Printer* printer) const;
   void GenerateClearingCode(io::Printer* printer) const;
-  void GenerateMessageClearingCode(io::Printer* printer) const;
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateSwappingCode(io::Printer* printer) const;
-  void GenerateDestructorCode(io::Printer* printer) const;
   void GenerateConstructorCode(io::Printer* printer) const;
-  void GenerateCopyConstructorCode(io::Printer* printer) const;
   void GenerateMergeFromCodedStream(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizes(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const;
   void GenerateByteSize(io::Printer* printer) const;
 
  protected:
-  void GenerateArenaManipulationCode(const std::map<string, string>& variables,
+  void GenerateArenaManipulationCode(const map<string, string>& variables,
                                      io::Printer* printer) const;
 
   virtual void GenerateGetterDeclaration(io::Printer* printer) const;
 
   const FieldDescriptor* descriptor_;
   const bool dependent_field_;
-  std::map<string, string> variables_;
+  map<string, string> variables_;
 
  private:
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageFieldGenerator);
@@ -97,12 +94,7 @@ class MessageOneofFieldGenerator : public MessageFieldGenerator {
                                          bool is_inline) const;
   void GenerateNonInlineAccessorDefinitions(io::Printer* printer) const;
   void GenerateClearingCode(io::Printer* printer) const;
-
-  // MessageFieldGenerator, from which we inherit, overrides this so we need to
-  // override it as well.
-  void GenerateMessageClearingCode(io::Printer* printer) const;
   void GenerateSwappingCode(io::Printer* printer) const;
-  void GenerateDestructorCode(io::Printer* printer) const;
   void GenerateConstructorCode(io::Printer* printer) const;
 
  protected:
@@ -110,7 +102,7 @@ class MessageOneofFieldGenerator : public MessageFieldGenerator {
 
  private:
   void InternalGenerateInlineAccessorDefinitions(
-      const std::map<string, string>& variables, io::Printer* printer) const;
+      const map<string, string>& variables, io::Printer* printer) const;
 
   const bool dependent_base_;
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MessageOneofFieldGenerator);
@@ -133,7 +125,6 @@ class RepeatedMessageFieldGenerator : public FieldGenerator {
   void GenerateMergingCode(io::Printer* printer) const;
   void GenerateSwappingCode(io::Printer* printer) const;
   void GenerateConstructorCode(io::Printer* printer) const;
-  void GenerateCopyConstructorCode(io::Printer* printer) const {}
   void GenerateMergeFromCodedStream(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizes(io::Printer* printer) const;
   void GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const;
@@ -146,7 +137,7 @@ class RepeatedMessageFieldGenerator : public FieldGenerator {
   const FieldDescriptor* descriptor_;
   const bool dependent_field_;
   const bool dependent_getter_;
-  std::map<string, string> variables_;
+  map<string, string> variables_;
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedMessageFieldGenerator);
 };