Renaming IndexOutOfRangeException to RangeError.

runtime/bin/socket_impl.dart

Index: runtime/bin/socket_impl.dart
diff --git a/runtime/bin/socket_impl.dart b/runtime/bin/socket_impl.dart
index b262cee9d14e1df00f875efca48f051d0ebc9275..9a9e571b25e6e8cda3a8cb38f971f7a53a45a272 100644
--- a/runtime/bin/socket_impl.dart
+++ b/runtime/bin/socket_impl.dart
@@ -369,13 +369,13 @@ class _Socket extends _SocketBase implements Socket {
         return 0;
       }
       if (offset < 0) {
-        throw new IndexOutOfRangeException(offset);
+        throw new RangeError(offset);
       }
       if (bytes < 0) {
-        throw new IndexOutOfRangeException(bytes);
+        throw new RangeError(bytes);
       }
       if ((offset + bytes) > buffer.length) {
-        throw new IndexOutOfRangeException(offset + bytes);
+        throw new RangeError(offset + bytes);
       }
       var result = _readList(buffer, offset, bytes);
       if (result is OSError) {
@@ -400,13 +400,13 @@ class _Socket extends _SocketBase implements Socket {
         return 0;
       }
       if (offset < 0) {
-        throw new IndexOutOfRangeException(offset);
+        throw new RangeError(offset);
       }
       if (bytes < 0) {
-        throw new IndexOutOfRangeException(bytes);
+        throw new RangeError(bytes);
       }
       if ((offset + bytes) > buffer.length) {
-        throw new IndexOutOfRangeException(offset + bytes);
+        throw new RangeError(offset + bytes);
       }
       _BufferAndOffset bufferAndOffset =
           _ensureFastAndSerializableBuffer(buffer, offset, bytes);