Reland "Mandoline filesystem: Build the filesystem on windows."

components/filesystem/public/interfaces/types.mojom

 // 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.
 
 module filesystem;
 
 // Error codes used by the file system. These error codes line up exactly with
 // those of base::File.
-enum Error {
+enum FileError {
   OK                =   0,
   FAILED            =  -1,
   IN_USE            =  -2,
   EXISTS            =  -3,
   NOT_FOUND         =  -4,
   ACCESS_DENIED     =  -5,
   TOO_MANY_OPENED   =  -6,
   NO_MEMORY         =  -7,
   NO_SPACE          =  -8,
   NOT_A_DIRECTORY   =  -9,
@@ skipping 23 matching lines @@
 struct TimespecOrNow {
   bool now;
   double seconds;
 };
 
 // Describes various information about a file or directory (for |Stat()|). Note
 // that access/modification times may be set arbitrarily (by those with
 // appropriate capabilities) and may not reflect reality.
 struct FileInformation {
   // Type of the file.
-  FileType type;
+  FsFileType type;
   // Size of the file, in bytes. Zero for directories.
   int64 size;
   // Last access time, in seconds since Unix Epoch.
   double atime;
   // Last modification time, in seconds since Unix Epoch.
   double mtime;
   // Create time of the file, in seconds since Unix Epoch.
   double ctime;
 };
 
 // File and directory open flags. Is a limited subset of base::File::Flags. These
 // are constants instead of enums so that they are bitwise OR-able.
 
 // Opens a file, only if it exists.
 const uint32 kFlagOpen = 0x1;
 // Creates a new file, only if it does not already exist.
 const uint32 kFlagCreate = 0x2;
 // May create a new file.
 const uint32 kFlagOpenAlways = 0x4;
 // May overwrite an old file.
 const uint32 kCreateAlways = 0x8;
 // Opens a file and truncates it, only if it exists.
 const uint32 kFlagOpenTruncated = 0x10;
 const uint32 kFlagRead = 0x20;
 const uint32 kFlagWrite = 0x40;
 const uint32 kFlagAppend = 0x80;
 
 // File types.
-enum FileType {
+//
+// Note: This is named FsFileType because otherwise we have a name collision
+// with windows.h.
+enum FsFileType {
   UNKNOWN = 0,
   REGULAR_FILE,
   DIRECTORY,
 };
 
 // Describes a directory entry (i.e., a single member of a directory).
 struct DirectoryEntry {
-  FileType type;
+  FsFileType type;
   string name;
 };
 
 // Deletion flags:
 // Recursively delete.
 const uint32 kDeleteFlagRecursive = 0x1;