Bump google.golang.org/api

vendor/github.com/google/martian/martian.go

@@ -0,0 +1,58 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package martian provides an HTTP/1.1 proxy with an API for configurable
+// request and response modifiers.
+package martian
+
+import "net/http"
+
+// RequestModifier is an interface that defines a request modifier that can be
+// used by a proxy.
+type RequestModifier interface {
+	// ModifyRequest modifies the request.
+	ModifyRequest(req *http.Request) error
+}
+
+// ResponseModifier is an interface that defines a response modifier that can
+// be used by a proxy.
+type ResponseModifier interface {
+	// ModifyResponse modifies the response.
+	ModifyResponse(res *http.Response) error
+}
+
+// RequestResponseModifier is an interface that is both a ResponseModifier and
+// a RequestModifier.
+type RequestResponseModifier interface {
+	RequestModifier
+	ResponseModifier
+}
+
+// RequestModifierFunc is an adapter for using a function with the given
+// signature as a RequestModifier.
+type RequestModifierFunc func(req *http.Request) error
+
+// ResponseModifierFunc is an adapter for using a function with the given
+// signature as a ResponseModifier.
+type ResponseModifierFunc func(res *http.Response) error
+
+// ModifyRequest modifies the request using the given function.
+func (f RequestModifierFunc) ModifyRequest(req *http.Request) error {
+	return f(req)
+}
+
+// ModifyResponse modifies the response using the given function.
+func (f ResponseModifierFunc) ModifyResponse(res *http.Response) error {
+	return f(res)
+}