Create generic check methods for RangeError causing checks.

sdk/lib/io/file_impl.dart

 // 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.
 
 part of dart.io;
 
 // Read the file in blocks of size 64k.
 const int _BLOCK_SIZE = 64 * 1024;
 
 
@@ skipping 695 matching lines @@
       var read = response[1];
       var data = response[2];
       buffer.setRange(start, start + read, data);
       _readCount++;
       _totalRead += read;
       return read;
     });
   }
 
   static void _checkReadWriteListArguments(int length, int start, int end) {
-    if (start < 0) throw new RangeError.value(start);
-    if (end < start) throw new RangeError.value(end);
-    if (end > length) {
-      throw new RangeError.value(end);
-    }
+    RangeError.checkValidRange(start, end, length);
   }
 
   external static _readInto(int id, List<int> buffer, int start, int end);
 
   int readIntoSync(List<int> buffer, [int start, int end]) {
     _checkAvailable();
     if (buffer is !List ||
         (start != null && start is !int) ||
         (end != null && end is !int)) {
       throw new ArgumentError();
@@ skipping 238 matching lines @@
   void _checkAvailable() {
     if (_asyncDispatched) {
       throw new FileSystemException("An async operation is currently pending",
                                     path);
     }
     if (closed) {
       throw new FileSystemException("File closed", path);
     }
   }
 }