Remove gaelogger from luci-go

appengine/gaelogger/logger.go

-// 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 gaelogger
-
-import (
-        "fmt"
-
-        "github.com/luci/luci-go/common/logging"
-        "golang.org/x/net/context"
-        "google.golang.org/appengine/log"
-)
-
-// Use adds a logging.Logger implementation to the context which logs to
-// appengine's log handler.
-func Use(c context.Context) context.Context {
-        return logging.SetFactory(c, func(ic context.Context) logging.Logger {
-                return &loggerImpl{ic}
-        })
-}
-
-type loggerImpl struct {
-        c context.Context
-}
-
-func (gl *loggerImpl) Debugf(format string, args ...interface{}) {
-        gl.LogCall(logging.Debug, 1, format, args)
-}
-func (gl *loggerImpl) Infof(format string, args ...interface{}) {
-        gl.LogCall(logging.Info, 1, format, args)
-}
-func (gl *loggerImpl) Warningf(format string, args ...interface{}) {
-        gl.LogCall(logging.Warning, 1, format, args)
-}
-func (gl *loggerImpl) Errorf(format string, args ...interface{}) {
-        gl.LogCall(logging.Error, 1, format, args)
-}
-
-// TODO(riannucci): prefix with caller's code location.
-func (gl *loggerImpl) LogCall(l logging.Level, calldepth int, format string, args []interface{}) {
-        if gl.c == nil || !logging.IsLogging(gl.c, l) {
-                return
-        }
-
-        var logf func(context.Context, string, ...interface{})
-        switch l {
-        case logging.Debug:
-                logf = log.Debugf
-        case logging.Info:
-                logf = log.Infof
-        case logging.Warning:
-                logf = log.Warningf
-
-        case logging.Error:
-                fallthrough
-        default:
-                logf = log.Errorf
-        }
-
-        fields := logging.GetFields(gl.c)
-        if len(fields) > 0 {
-                logf(gl.c, "%s :: %s", fmt.Sprintf(format, args...), fields.FieldString(true))
-        } else {
-                logf(gl.c, format, args...)
-        }
-}