1 files changed, 0 insertions, 121 deletions
diff --git a/src/pkg/mime/type.go b/src/pkg/mime/type.go
deleted file mode 100644
index ffda1f0ce..000000000
--- a/src/pkg/mime/type.go
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright 2010 The Go 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 mime implements parts of the MIME spec.
-package mime
-
-import (
-	"fmt"
-	"strings"
-	"sync"
-)
-
-var (
-	mimeLock       sync.RWMutex
-	mimeTypesLower = map[string]string{
-		".css":  "text/css; charset=utf-8",
-		".gif":  "image/gif",
-		".htm":  "text/html; charset=utf-8",
-		".html": "text/html; charset=utf-8",
-		".jpg":  "image/jpeg",
-		".js":   "application/x-javascript",
-		".pdf":  "application/pdf",
-		".png":  "image/png",
-		".xml":  "text/xml; charset=utf-8",
-	}
-	mimeTypes = clone(mimeTypesLower)
-)
-
-func clone(m map[string]string) map[string]string {
-	m2 := make(map[string]string, len(m))
-	for k, v := range m {
-		m2[k] = v
-		if strings.ToLower(k) != k {
-			panic("keys in mimeTypesLower must be lowercase")
-		}
-	}
-	return m2
-}
-
-var once sync.Once // guards initMime
-
-// TypeByExtension returns the MIME type associated with the file extension ext.
-// The extension ext should begin with a leading dot, as in ".html".
-// When ext has no associated type, TypeByExtension returns "".
-//
-// Extensions are looked up first case-sensitively, then case-insensitively.
-//
-// The built-in table is small but on unix it is augmented by the local
-// system's mime.types file(s) if available under one or more of these
-// names:
-//
-//   /etc/mime.types
-//   /etc/apache2/mime.types
-//   /etc/apache/mime.types
-//
-// On Windows, MIME types are extracted from the registry.
-//
-// Text types have the charset parameter set to "utf-8" by default.
-func TypeByExtension(ext string) string {
-	once.Do(initMime)
-	mimeLock.RLock()
-	defer mimeLock.RUnlock()
-
-	// Case-sensitive lookup.
-	v := mimeTypes[ext]
-	if v != "" {
-		return v
-	}
-
-	// Case-insensitive lookup.
-	// Optimistically assume a short ASCII extension and be
-	// allocation-free in that case.
-	var buf [10]byte
-	lower := buf[:0]
-	const utf8RuneSelf = 0x80 // from utf8 package, but not importing it.
-	for i := 0; i < len(ext); i++ {
-		c := ext[i]
-		if c >= utf8RuneSelf {
-			// Slow path.
-			return mimeTypesLower[strings.ToLower(ext)]
-		}
-		if 'A' <= c && c <= 'Z' {
-			lower = append(lower, c+('a'-'A'))
-		} else {
-			lower = append(lower, c)
-		}
-	}
-	// The conversion from []byte to string doesn't allocate in
-	// a map lookup.
-	return mimeTypesLower[string(lower)]
-}
-
-// AddExtensionType sets the MIME type associated with
-// the extension ext to typ. The extension should begin with
-// a leading dot, as in ".html".
-func AddExtensionType(ext, typ string) error {
-	if !strings.HasPrefix(ext, ".") {
-		return fmt.Errorf(`mime: extension %q misses dot`, ext)
-	}
-	once.Do(initMime)
-	return setExtensionType(ext, typ)
-}
-
-func setExtensionType(extension, mimeType string) error {
-	_, param, err := ParseMediaType(mimeType)
-	if err != nil {
-		return err
-	}
-	if strings.HasPrefix(mimeType, "text/") && param["charset"] == "" {
-		param["charset"] = "utf-8"
-		mimeType = FormatMediaType(mimeType, param)
-	}
-	extLower := strings.ToLower(extension)
-
-	mimeLock.Lock()
-	mimeTypes[extension] = mimeType
-	mimeTypesLower[extLower] = mimeType
-	mimeLock.Unlock()
-	return nil
-}