Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/objectivec/GPBRuntimeTypes.h

Index: third_party/protobuf/objectivec/GPBRuntimeTypes.h
diff --git a/third_party/protobuf/objectivec/GPBRuntimeTypes.h b/third_party/protobuf/objectivec/GPBRuntimeTypes.h
index 4d552060b00438a6e70644344a5738f327b109be..0a38b110c6664c1eae9ca3a1f28b5c959a0e3fbe 100644
--- a/third_party/protobuf/objectivec/GPBRuntimeTypes.h
+++ b/third_party/protobuf/objectivec/GPBRuntimeTypes.h
@@ -36,28 +36,21 @@
 @class GPBMessage;
 @class GPBInt32Array;
 
-/**
- * Verifies that a given value can be represented by an enum type.
- * */
+// Function used to verify that a given value can be represented by an
+// enum type.
 typedef BOOL (*GPBEnumValidationFunc)(int32_t);
 
-/**
- * Fetches an EnumDescriptor.
- * */
+// Function used to fetch an EnumDescriptor.
 typedef GPBEnumDescriptor *(*GPBEnumDescriptorFunc)(void);
 
-/**
- * Magic value used at runtime to indicate an enum value that wasn't know at
- * compile time.
- * */
+// Magic values used for when an the at runtime to indicate an enum value
+// that wasn't know at compile time.
 enum {
   kGPBUnrecognizedEnumeratorValue = (int32_t)0xFBADBEEF,
 };
 
-/**
- * A union for storing all possible Protobuf values. Note that owner is
- * responsible for memory management of object types.
- * */
+// A union for storing all possible Protobuf values.
+// Note that owner is responsible for memory management of object types.
 typedef union {
   BOOL valueBool;
   int32_t valueInt32;
@@ -72,73 +65,38 @@ typedef union {
   int32_t valueEnum;
 } GPBGenericValue;
 
-/**
- * Enum listing the possible data types that a field can contain.
- * 
- * @note Do not change the order of this enum (or add things to it) without
- *       thinking about it very carefully. There are several things that depend
- *       on the order.
- * */
+// Do not change the order of this enum (or add things to it) without thinking
+// about it very carefully. There are several things that depend on the order.
 typedef NS_ENUM(uint8_t, GPBDataType) {
-  /** Field contains boolean value(s). */
   GPBDataTypeBool = 0,
-  /** Field contains unsigned 4 byte value(s). */
   GPBDataTypeFixed32,
-  /** Field contains signed 4 byte value(s). */
   GPBDataTypeSFixed32,
-  /** Field contains float value(s). */
   GPBDataTypeFloat,
-  /** Field contains unsigned 8 byte value(s). */
   GPBDataTypeFixed64,
-  /** Field contains signed 8 byte value(s). */
   GPBDataTypeSFixed64,
-  /** Field contains double value(s). */
   GPBDataTypeDouble,
-  /**
-   * Field contains variable length value(s). Inefficient for encoding negative
-   * numbers – if your field is likely to have negative values, use
-   * GPBDataTypeSInt32 instead.
-   **/
   GPBDataTypeInt32,
-  /**
-   * Field contains variable length value(s). Inefficient for encoding negative
-   * numbers – if your field is likely to have negative values, use
-   * GPBDataTypeSInt64 instead.
-   **/
   GPBDataTypeInt64,
-  /** Field contains signed variable length integer value(s). */
   GPBDataTypeSInt32,
-  /** Field contains signed variable length integer value(s). */
   GPBDataTypeSInt64,
-  /** Field contains unsigned variable length integer value(s). */
   GPBDataTypeUInt32,
-  /** Field contains unsigned variable length integer value(s). */
   GPBDataTypeUInt64,
-  /** Field contains an arbitrary sequence of bytes. */
   GPBDataTypeBytes,
-  /** Field contains UTF-8 encoded or 7-bit ASCII text. */
   GPBDataTypeString,
-  /** Field contains message type(s). */
   GPBDataTypeMessage,
-  /** Field contains message type(s). */
   GPBDataTypeGroup,
-  /** Field contains enum value(s). */
   GPBDataTypeEnum,
 };
 
 enum {
-  /**
-   * A count of the number of types in GPBDataType. Separated out from the
-   * GPBDataType enum to avoid warnings regarding not handling GPBDataType_Count
-   * in switch statements.
-   **/
+  // A count of the number of types in GPBDataType. Separated out from the
+  // GPBDataType enum to avoid warnings regarding not handling
+  // GPBDataType_Count in switch statements.
   GPBDataType_Count = GPBDataTypeEnum + 1
 };
 
-/** An extension range. */
+// An extension range.
 typedef struct GPBExtensionRange {
-  /** Inclusive. */
-  uint32_t start;
-  /** Exclusive. */
-  uint32_t end;
+  uint32_t start;  // inclusive
+  uint32_t end;    // exclusive
 } GPBExtensionRange;