third_party/protobuf: Update to HEAD (83d681ee2c)

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

Index: third_party/protobuf/src/google/protobuf/util/internal/utility.h
diff --git a/third_party/protobuf/src/google/protobuf/util/internal/utility.h b/third_party/protobuf/src/google/protobuf/util/internal/utility.h
index 33df8edad268241102d0f149ea057264a43b5401..667e660c581ebdf3c3b7359e90505ef1cbf236cc 100644
--- a/third_party/protobuf/src/google/protobuf/util/internal/utility.h
+++ b/third_party/protobuf/src/google/protobuf/util/internal/utility.h
@@ -64,6 +64,10 @@ class EnumValue;
 namespace protobuf {
 namespace util {
 namespace converter {
+
+// Size of "type.googleapis.com"
+static const int64 kTypeUrlSize = 19;
+
 // Finds the tech option identified by option_name. Parses the boolean value and
 // returns it.
 // When the option with the given name is not found, default_value is returned.
@@ -132,6 +136,10 @@ const google::protobuf::Field* FindFieldInTypeOrNull(
 const google::protobuf::Field* FindJsonFieldInTypeOrNull(
     const google::protobuf::Type* type, StringPiece json_name);
 
+// Similar to FindFieldInTypeOrNull, but this looks up fields by number.
+const google::protobuf::Field* FindFieldInTypeByNumberOrNull(
+    const google::protobuf::Type* type, int32 number);
+
 // Finds and returns the EnumValue identified by enum_name in the passed tech
 // Enum object. Returns NULL if none found.
 const google::protobuf::EnumValue* FindEnumValueByNameOrNull(
@@ -142,6 +150,13 @@ const google::protobuf::EnumValue* FindEnumValueByNameOrNull(
 const google::protobuf::EnumValue* FindEnumValueByNumberOrNull(
     const google::protobuf::Enum* enum_type, int32 value);
 
+// Finds and returns the EnumValue identified by enum_name without underscore in
+// the passed tech Enum object. Returns NULL if none found.
+// For Ex. if enum_name is ACTIONANDADVENTURE it can get accepted if
+// EnumValue's name is action_and_adventure or ACTION_AND_ADVENTURE.
+const google::protobuf::EnumValue* FindEnumValueByNameWithoutUnderscoreOrNull(
+    const google::protobuf::Enum* enum_type, StringPiece enum_name);
+
 // Converts input to camel-case and returns it.
 LIBPROTOBUF_EXPORT string ToCamelCase(const StringPiece input);