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

third_party/protobuf/src/google/protobuf/api.proto

Index: third_party/protobuf/src/google/protobuf/api.proto
diff --git a/third_party/protobuf/src/google/protobuf/api.proto b/third_party/protobuf/src/google/protobuf/api.proto
deleted file mode 100644
index d6c2a8b35c56e6967bf5b86d6bd0d4c2a34cb764..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/api.proto
+++ /dev/null
@@ -1,106 +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";
-
-package google.protobuf;
-
-import "google/protobuf/source_context.proto";
-import "google/protobuf/type.proto";
-
-option java_multiple_files = true;
-option java_outer_classname = "ApiProto";
-option java_package = "com.google.protobuf";
-option csharp_namespace = "Google.Protobuf.WellKnownTypes";
-option objc_class_prefix = "GPB";
-
-
-// Api is a light-weight descriptor for a protocol buffer service.
-message Api {
-  // The fully qualified name of this api, including package name
-  // followed by the api's simple name.
-  string name = 1;
-
-  // The methods of this api, in unspecified order.
-  repeated Method methods = 2;
-
-  // Any metadata attached to the API.
-  repeated Option options = 3;
-
-  // A version string for this api. If specified, must have the form
-  // `major-version.minor-version`, as in `1.10`. If the minor version
-  // is omitted, it defaults to zero. If the entire version field is
-  // empty, the major version is derived from the package name, as
-  // outlined below. If the field is not empty, the version in the
-  // package name will be verified to be consistent with what is
-  // provided here.
-  //
-  // The versioning schema uses [semantic
-  // versioning](http://semver.org) where the major version number
-  // indicates a breaking change and the minor version an additive,
-  // non-breaking change. Both version numbers are signals to users
-  // what to expect from different versions, and should be carefully
-  // chosen based on the product plan.
-  //
-  // The major version is also reflected in the package name of the
-  // API, which must end in `v<major-version>`, as in
-  // `google.feature.v1`. For major versions 0 and 1, the suffix can
-  // be omitted. Zero major versions must only be used for
-  // experimental, none-GA apis.
-  //
-  // See also: [design doc](http://go/api-versioning).
-  //
-  //
-  string version = 4;
-
-  // Source context for the protocol buffer service represented by this
-  // message.
-  SourceContext source_context = 5;
-}
-
-// Method represents a method of an api.
-message Method {
-  // The simple name of this method.
-  string name = 1;
-
-  // A URL of the input message type.
-  string request_type_url = 2;
-
-  // If true, the request is streamed.
-  bool request_streaming = 3;
-
-  // The URL of the output message type.
-  string response_type_url = 4;
-
-  // If true, the response is streamed.
-  bool response_streaming = 5;
-
-  // Any metadata attached to the method.
-  repeated Option options = 6;
-}