Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/util/internal/utility.cc

Index: third_party/protobuf/src/google/protobuf/util/internal/utility.cc
diff --git a/third_party/protobuf/src/google/protobuf/util/internal/utility.cc b/third_party/protobuf/src/google/protobuf/util/internal/utility.cc
index 05759e85ab62abb0d60ae2de4d3455282b3c171f..ee7a51fc41b6db81b4ee9b58cfaa11d7a023791e 100644
--- a/third_party/protobuf/src/google/protobuf/util/internal/utility.cc
+++ b/third_party/protobuf/src/google/protobuf/util/internal/utility.cc
@@ -30,8 +30,6 @@
 
 #include <google/protobuf/util/internal/utility.h>
 
-#include <algorithm>
-
 #include <google/protobuf/stubs/callback.h>
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/logging.h>
@@ -54,7 +52,7 @@ const StringPiece SkipWhiteSpace(StringPiece str) {
   for (i = 0; i < str.size() && isspace(str[i]); ++i) {
   }
   GOOGLE_DCHECK(i == str.size() || !isspace(str[i]));
-  return str.substr(i);
+  return StringPiece(str, i);
 }
 }  // namespace
 
@@ -130,12 +128,8 @@ string GetStringFromAny(const google::protobuf::Any& any) {
 }
 
 const StringPiece GetTypeWithoutUrl(StringPiece type_url) {
-  if (type_url.size() > kTypeUrlSize && type_url[kTypeUrlSize] == '/') {
-    return type_url.substr(kTypeUrlSize + 1);
-  } else {
-    size_t idx = type_url.rfind('/');
-    return type_url.substr(idx + 1);
-  }
+  size_t idx = type_url.rfind('/');
+  return type_url.substr(idx + 1);
 }
 
 const string GetFullTypeWithUrl(StringPiece simple_type) {
@@ -180,19 +174,6 @@ const google::protobuf::Field* FindJsonFieldInTypeOrNull(
   return NULL;
 }
 
-const google::protobuf::Field* FindFieldInTypeByNumberOrNull(
-    const google::protobuf::Type* type, int32 number) {
-  if (type != NULL) {
-    for (int i = 0; i < type->fields_size(); ++i) {
-      const google::protobuf::Field& field = type->fields(i);
-      if (field.number() == number) {
-        return &field;
-      }
-    }
-  }
-  return NULL;
-}
-
 const google::protobuf::EnumValue* FindEnumValueByNameOrNull(
     const google::protobuf::Enum* enum_type, StringPiece enum_name) {
   if (enum_type != NULL) {
@@ -219,32 +200,6 @@ const google::protobuf::EnumValue* FindEnumValueByNumberOrNull(
   return NULL;
 }
 
-const google::protobuf::EnumValue* FindEnumValueByNameWithoutUnderscoreOrNull(
-    const google::protobuf::Enum* enum_type, StringPiece enum_name) {
-  if (enum_type != NULL) {
-    for (int i = 0; i < enum_type->enumvalue_size(); ++i) {
-      const google::protobuf::EnumValue& enum_value = enum_type->enumvalue(i);
-      string enum_name_without_underscore = enum_value.name();
-
-      // Remove underscore from the name.
-      enum_name_without_underscore.erase(
-          std::remove(enum_name_without_underscore.begin(),
-                      enum_name_without_underscore.end(), '_'),
-          enum_name_without_underscore.end());
-      // Make the name uppercase.
-      for (string::iterator it = enum_name_without_underscore.begin();
-           it != enum_name_without_underscore.end(); ++it) {
-        *it = ascii_toupper(*it);
-      }
-
-      if (enum_name_without_underscore == enum_name) {
-        return &enum_value;
-      }
-    }
-  }
-  return NULL;
-}
-
 string ToCamelCase(const StringPiece input) {
   bool capitalize_next = false;
   bool was_cap = true;
@@ -324,7 +279,7 @@ string ToSnakeCase(StringPiece input) {
   return result;
 }
 
-std::set<string>* well_known_types_ = NULL;
+set<string>* well_known_types_ = NULL;
 GOOGLE_PROTOBUF_DECLARE_ONCE(well_known_types_init_);
 const char* well_known_types_name_array_[] = {
     "google.protobuf.Timestamp",   "google.protobuf.Duration",
@@ -337,7 +292,7 @@ const char* well_known_types_name_array_[] = {
 void DeleteWellKnownTypes() { delete well_known_types_; }
 
 void InitWellKnownTypes() {
-  well_known_types_ = new std::set<string>;
+  well_known_types_ = new set<string>;
   for (int i = 0; i < GOOGLE_ARRAYSIZE(well_known_types_name_array_); ++i) {
     well_known_types_->insert(well_known_types_name_array_[i]);
   }
@@ -356,23 +311,15 @@ bool IsValidBoolString(const string& bool_string) {
 
 bool IsMap(const google::protobuf::Field& field,
            const google::protobuf::Type& type) {
-  return (
-      field.cardinality() ==
-          google::protobuf::Field_Cardinality_CARDINALITY_REPEATED &&
-      (GetBoolOptionOrDefault(
-           type.options(), "google.protobuf.MessageOptions.map_entry", false) ||
-       GetBoolOptionOrDefault(type.options(), "proto2.MessageOptions.map_entry",
-                              false)));
+  return (field.cardinality() ==
+              google::protobuf::Field_Cardinality_CARDINALITY_REPEATED &&
+          GetBoolOptionOrDefault(type.options(),
+                                 "google.protobuf.MessageOptions.map_entry", false));
 }
 
 bool IsMessageSetWireFormat(const google::protobuf::Type& type) {
-  return (
-      GetBoolOptionOrDefault(
-          type.options(),
-          "google.protobuf.MessageOptions.message_set_wire_format", false) ||
-      GetBoolOptionOrDefault(type.options(),
-                             "proto2.MessageOptions.message_set_wire_format",
-                             false));
+  return GetBoolOptionOrDefault(
+      type.options(), "google.protobuf.MessageOptions.message_set_wire_format", false);
 }
 
 string DoubleAsString(double value) {
@@ -412,4 +359,3 @@ bool SafeStrToFloat(StringPiece str, float* value) {
 }  // namespace util
 }  // namespace protobuf
 }  // namespace google
-