Revert of Move file_handlers API from //chrome to //extensions

extensions/browser/api/file_handlers/app_file_handler_util.h

Index: extensions/browser/api/file_handlers/app_file_handler_util.h
diff --git a/extensions/browser/api/file_handlers/app_file_handler_util.h b/extensions/browser/api/file_handlers/app_file_handler_util.h
deleted file mode 100644
index 1951f116926da77388e27dd389bc75aa70496517..0000000000000000000000000000000000000000
--- a/extensions/browser/api/file_handlers/app_file_handler_util.h
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright (c) 2012 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.
-
-#ifndef EXTENSIONS_BROWSER_API_FILE_HANDLERS_APP_FILE_HANDLER_UTIL_H_
-#define EXTENSIONS_BROWSER_API_FILE_HANDLERS_APP_FILE_HANDLER_UTIL_H_
-
-#include <set>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/callback.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_handlers/file_handler_info.h"
-
-namespace content {
-class BrowserContext;
-}
-
-namespace extensions {
-
-struct EntryInfo;
-struct FileHandlerInfo;
-struct GrantedFileEntry;
-
-// TODO(michaelpg,benwells): move this to an app-specific namespace and
-// directory.
-namespace app_file_handler_util {
-
-extern const char kInvalidParameters[];
-extern const char kSecurityError[];
-
-// Returns the file handler with the specified |handler_id|, or NULL if there
-// is no such handler.
-const FileHandlerInfo* FileHandlerForId(const Extension& app,
-                                        const std::string& handler_id);
-
-// Returns the handlers that can handle all files in |entries|.
-std::vector<const FileHandlerInfo*> FindFileHandlersForEntries(
-    const Extension& extension,
-    const std::vector<EntryInfo> entries);
-
-bool FileHandlerCanHandleEntry(const FileHandlerInfo& handler,
-                               const EntryInfo& entry);
-
-// Creates a new file entry and allows |renderer_id| to access |path|. This
-// registers a new file system for |path|.
-GrantedFileEntry CreateFileEntry(content::BrowserContext* context,
-                                 const Extension* extension,
-                                 int renderer_id,
-                                 const base::FilePath& path,
-                                 bool is_directory);
-
-// |directory_paths| contain the set of directories out of |paths|.
-// For directories it makes sure they exist at their corresponding |paths|,
-// while for regular files it makes sure they exist (i.e. not links) at |paths|,
-// creating files if needed. If result is successful it calls |on_success|,
-// otherwise calls |on_failure|.
-void PrepareFilesForWritableApp(
-    const std::vector<base::FilePath>& paths,
-    content::BrowserContext* context,
-    const std::set<base::FilePath>& directory_paths,
-    const base::Closure& on_success,
-    const base::Callback<void(const base::FilePath&)>& on_failure);
-
-// Returns whether |extension| has the fileSystem.write permission.
-bool HasFileSystemWritePermission(const Extension* extension);
-
-// Validates a file entry and populates |file_path| with the absolute path if it
-// is valid.
-bool ValidateFileEntryAndGetPath(const std::string& filesystem_name,
-                                 const std::string& filesystem_path,
-                                 int render_process_id,
-                                 base::FilePath* file_path,
-                                 std::string* error);
-
-}  // namespace app_file_handler_util
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_BROWSER_API_FILE_HANDLERS_APP_FILE_HANDLER_UTIL_H_