Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/src/google/protobuf/map_unittest.proto

Index: third_party/protobuf/src/google/protobuf/map_unittest.proto
diff --git a/third_party/protobuf/src/google/protobuf/map_unittest.proto b/third_party/protobuf/src/google/protobuf/map_unittest.proto
deleted file mode 100644
index b308c7ff5249dd22dbaf7559301089ad0f5186e9..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/map_unittest.proto
+++ /dev/null
@@ -1,119 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-syntax = "proto3";
-
-option cc_enable_arenas = true;
-
-import "google/protobuf/unittest.proto";
-
-// We don't put this in a package within proto2 because we need to make sure
-// that the generated code doesn't depend on being in the proto2 namespace.
-// In map_test_util.h we do "using namespace unittest = protobuf_unittest".
-package protobuf_unittest;
-
-// Tests maps.
-message TestMap {
-  map<int32   , int32   > map_int32_int32       = 1;
-  map<int64   , int64   > map_int64_int64       = 2;
-  map<uint32  , uint32  > map_uint32_uint32     = 3;
-  map<uint64  , uint64  > map_uint64_uint64     = 4;
-  map<sint32  , sint32  > map_sint32_sint32     = 5;
-  map<sint64  , sint64  > map_sint64_sint64     = 6;
-  map<fixed32 , fixed32 > map_fixed32_fixed32   = 7;
-  map<fixed64 , fixed64 > map_fixed64_fixed64   = 8;
-  map<sfixed32, sfixed32> map_sfixed32_sfixed32 = 9;
-  map<sfixed64, sfixed64> map_sfixed64_sfixed64 = 10;
-  map<int32   , float   > map_int32_float       = 11;
-  map<int32   , double  > map_int32_double      = 12;
-  map<bool    , bool    > map_bool_bool         = 13;
-  map<string  , string  > map_string_string     = 14;
-  map<int32   , bytes   > map_int32_bytes       = 15;
-  map<int32   , MapEnum > map_int32_enum        = 16;
-  map<int32   , ForeignMessage> map_int32_foreign_message = 17;
-}
-
-message TestMapSubmessage {
-  TestMap test_map = 1;
-}
-
-message TestMessageMap {
-  map<int32, TestAllTypes> map_int32_message = 1;
-}
-
-// Two map fields share the same entry default instance.
-message TestSameTypeMap {
-  map<int32, int32> map1 = 1;
-  map<int32, int32> map2 = 2;
-}
-
-
-enum MapEnum {
-  MAP_ENUM_FOO = 0;
-  MAP_ENUM_BAR = 1;
-  MAP_ENUM_BAZ = 2;
-}
-
-// Test embeded message with required fields
-message TestRequiredMessageMap {
-  map<int32, TestRequired> map_field = 1;
-}
-
-message TestArenaMap {
-  map<int32   , int32   > map_int32_int32       = 1;
-  map<int64   , int64   > map_int64_int64       = 2;
-  map<uint32  , uint32  > map_uint32_uint32     = 3;
-  map<uint64  , uint64  > map_uint64_uint64     = 4;
-  map<sint32  , sint32  > map_sint32_sint32     = 5;
-  map<sint64  , sint64  > map_sint64_sint64     = 6;
-  map<fixed32 , fixed32 > map_fixed32_fixed32   = 7;
-  map<fixed64 , fixed64 > map_fixed64_fixed64   = 8;
-  map<sfixed32, sfixed32> map_sfixed32_sfixed32 = 9;
-  map<sfixed64, sfixed64> map_sfixed64_sfixed64 = 10;
-  map<int32   , float   > map_int32_float       = 11;
-  map<int32   , double  > map_int32_double      = 12;
-  map<bool    , bool    > map_bool_bool         = 13;
-  map<int32   , MapEnum > map_int32_enum        = 14;
-  map<int32   , ForeignMessage> map_int32_foreign_message = 15;
-}
-
-// Previously, message containing enum called Type cannot be used as value of
-// map field.
-message MessageContainingEnumCalledType {
-  enum Type {
-    TYPE_FOO = 0;
-  }
-  map<int32, MessageContainingEnumCalledType> type = 1;
-}
-
-// Previously, message cannot contain map field called "entry".
-message MessageContainingMapCalledEntry {
-  map<int32, int32> entry = 1;
-}