Remove a bunch of stuff in //mojo

mojo/util/filename_util.cc

-// Copyright 2014 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.
-
-#include "mojo/util/filename_util.h"
-
-#include "base/files/file_path.h"
-#include "base/path_service.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "url/gurl.h"
-#include "url/url_canon_internal.h"
-#include "url/url_util.h"
-
-namespace mojo {
-namespace util {
-
-// Prefix to prepend to get a file URL.
-static const base::FilePath::CharType kFileURLPrefix[] =
-    FILE_PATH_LITERAL("file://");
-
-GURL FilePathToFileURL(const base::FilePath& path) {
-  // Produce a URL like "file:///C:/foo" for a regular file, or
-  // "file://///server/path" for UNC. The URL canonicalizer will fix up the
-  // latter case to be the canonical UNC form: "file://server/path"
-  base::FilePath::StringType url_string(kFileURLPrefix);
-  if (!path.IsAbsolute()) {
-    base::FilePath current_dir;
-    PathService::Get(base::DIR_CURRENT, &current_dir);
-    url_string.append(current_dir.value());
-    url_string.push_back(base::FilePath::kSeparators[0]);
-  }
-  url_string.append(path.value());
-
-  // Now do replacement of some characters. Since we assume the input is a
-  // literal filename, anything the URL parser might consider special should
-  // be escaped here.
-
-  // This must be the first substitution since others will introduce percents as
-  // the escape character
-  base::ReplaceSubstringsAfterOffset(&url_string, 0, FILE_PATH_LITERAL("%"),
-                                     FILE_PATH_LITERAL("%25"));
-
-  // A semicolon is supposed to be some kind of separator according to RFC 2396.
-  base::ReplaceSubstringsAfterOffset(&url_string, 0, FILE_PATH_LITERAL(";"),
-                                     FILE_PATH_LITERAL("%3B"));
-
-  base::ReplaceSubstringsAfterOffset(&url_string, 0, FILE_PATH_LITERAL("#"),
-                                     FILE_PATH_LITERAL("%23"));
-
-  base::ReplaceSubstringsAfterOffset(&url_string, 0, FILE_PATH_LITERAL("?"),
-                                     FILE_PATH_LITERAL("%3F"));
-
-#if defined(OS_POSIX)
-  base::ReplaceSubstringsAfterOffset(&url_string, 0, FILE_PATH_LITERAL("\\"),
-                                     FILE_PATH_LITERAL("%5C"));
-#endif
-
-  return GURL(url_string);
-}
-
-GURL AddTrailingSlashIfNeeded(const GURL& url) {
-  if (!url.has_path() || *url.path().rbegin() == '/')
-    return url;
-
-  std::string path(url.path() + '/');
-  GURL::Replacements replacements;
-  replacements.SetPathStr(path);
-  return url.ReplaceComponents(replacements);
-}
-
-base::FilePath UrlToFilePath(const GURL& url) {
-  DCHECK(url.SchemeIsFile());
-  url::RawCanonOutputW<1024> output;
-  url::DecodeURLEscapeSequences(url.path().data(),
-                                static_cast<int>(url.path().length()), &output);
-  base::string16 decoded_path = base::string16(output.data(), output.length());
-#if defined(OS_WIN)
-  base::TrimString(decoded_path, L"/", &decoded_path);
-  base::FilePath path(decoded_path);
-#else
-  base::FilePath path(base::UTF16ToUTF8(decoded_path));
-#endif
-  return path;
-}
-
-}  // namespace util
-}  // namespace mojo