Remove ephelper and other endpoints code.

appengine/ephelper/ephelper.go

Index: appengine/ephelper/ephelper.go
diff --git a/appengine/ephelper/ephelper.go b/appengine/ephelper/ephelper.go
deleted file mode 100644
index 7cb5ffe6855c9df78d57b22ba3cbc2ccbb893687..0000000000000000000000000000000000000000
--- a/appengine/ephelper/ephelper.go
+++ /dev/null
@@ -1,102 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package ephelper
-
-import (
-	"errors"
-	"fmt"
-
-	"github.com/GoogleCloudPlatform/go-endpoints/endpoints"
-	"github.com/luci/luci-go/appengine/ephelper/epfrontend"
-)
-
-const errPrefix = "endpoints.Register: "
-
-var (
-	// ErrServerNil is returned if you pass a nil server to Register. Don't do
-	// that.
-	ErrServerNil = errors.New(errPrefix + "server is nil")
-
-	// ErrServiceNil is returned if you pass a nil service to Register. Don't do
-	// that.
-	ErrServiceNil = errors.New(errPrefix + "service is nil")
-
-	// DefaultHelper is the default Helper implementation.
-	DefaultHelper = Helper{}
-)
-
-// MethodInfoMap is the common registry for an endpoints service. It's
-// used by infra/libs/endpoints_client to populate its API.
-type MethodInfoMap map[string]*endpoints.MethodInfo
-
-// Helper is the endpoint helper configuration.
-type Helper struct {
-	// Frontend is the internally-hosted endpoints frontend service.
-	//
-	// If not nil, calls to Register() will also register the resulting
-	// services with the Frontend instance.
-	Frontend *epfrontend.Server
-}
-
-// Register adds an endpoints.RegisterService-compatible service object using
-// the MethodInfoMap to look up the MethodInfo objects by methodName. It is
-// intended to be called at init()-time of an app or client which relies on
-// these endpoints.
-//
-// service should be an instance of your service type (as if you were passing
-// it to "go-endpoints/endpoints".RegisterService).
-func (h *Helper) Register(server *endpoints.Server, service interface{}, si *endpoints.ServiceInfo,
-	mi MethodInfoMap) error {
-	if server == nil {
-		return ErrServerNil
-	}
-	if service == nil {
-		return ErrServiceNil
-	}
-	if si == nil {
-		si = &endpoints.ServiceInfo{Default: true}
-	}
-
-	api, err := server.RegisterService(service, si.Name, si.Version,
-		si.Description, si.Default)
-	if err != nil {
-		return err
-	}
-
-	for methodName, info := range mi {
-		method := api.MethodByName(methodName)
-		if method == nil {
-			return fmt.Errorf(
-				errPrefix+"no method %q (did you forget to export it?)", methodName)
-		}
-		curInfo := method.Info()
-		// These three are set automatically based on reflection, so only override
-		// them if the info object contains something new.
-		if info.Name == "" {
-			info.Name = curInfo.Name
-		}
-		if info.Path == "" {
-			info.Path = curInfo.Path
-		}
-		if info.HTTPMethod == "" {
-			info.HTTPMethod = curInfo.HTTPMethod
-		}
-		*curInfo = *info
-		mi[methodName] = curInfo // So that we can observe the merged result
-	}
-
-	if h.Frontend != nil {
-		if err := h.Frontend.RegisterService(api); err != nil {
-			return fmt.Errorf("%s: failed to register with frontend: %v", errPrefix, err)
-		}
-	}
-	return nil
-}
-
-// Register is a convenience method to pass through registration to the
-// DefaultHelper.
-func Register(server *endpoints.Server, service interface{}, si *endpoints.ServiceInfo, mi MethodInfoMap) error {
-	return DefaultHelper.Register(server, service, si, mi)
-}