dart:io | Add FileSystemEntity.stat() and FileStat class.

runtime/bin/file.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_FILE_H_
 #define BIN_FILE_H_
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
@@ skipping 67 matching lines @@
     kFlushRequest = 13,
     kReadByteRequest = 14,
     kWriteByteRequest = 15,
     kReadRequest = 16,
     kReadIntoRequest = 17,
     kWriteFromRequest = 18,
     kCreateLinkRequest = 19,
     kDeleteLinkRequest = 20,
     kLinkTargetRequest = 21,
     kTypeRequest = 22,
-    kIdenticalRequest = 23
+    kIdenticalRequest = 23,
+    kStatRequest = 24
+  };
+
+  enum FileStat {
+    // These match the constants in FileStat in file_system_entity.dart.
+    kType = 0,
+    kCreatedTime = 1,
+    kModifiedTime = 2,
+    kAccessedTime = 3,
+    kMode = 4,
+    kSize = 5,
+    kStatSize = 6
   };
 
   ~File();
 
   // Read/Write attempt to transfer num_bytes to/from buffer. It returns
   // the number of bytes read/written.
   int64_t Read(void* buffer, int64_t num_bytes);
   int64_t Write(const void* buffer, int64_t num_bytes);
 
   // ReadFully and WriteFully do attempt to transfer num_bytes to/from
@@ skipping 36 matching lines @@
   // Create a file object for the specified stdio file descriptor
   // (stdin, stout or stderr).
   static File* OpenStdio(int fd);
 
   static bool Exists(const char* path);
   static bool Create(const char* path);
   static bool CreateLink(const char* path, const char* target);
   static bool Delete(const char* path);
   static bool DeleteLink(const char* path);
   static off_t LengthFromPath(const char* path);
+  static void Stat(const char* path, int64_t* data);
   static time_t LastModified(const char* path);
   static char* LinkTarget(const char* pathname);
   static bool IsAbsolutePath(const char* path);
   static char* GetCanonicalPath(const char* path);
   static char* GetContainingDirectory(char* path);
   static const char* PathSeparator();
   static const char* StringEscapedPathSeparator();
   static Type GetType(const char* path, bool follow_links);
   static Identical AreIdentical(const char* file_1, const char* file_2);
   static StdioHandleType GetStdioHandleType(int fd);
@@ skipping 13 matching lines @@
 
   static NativeService file_service_;
 
   DISALLOW_COPY_AND_ASSIGN(File);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_FILE_H_