Comment and white-space cleanup in IO libraries.

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 14d3b500c5ba001c8b4ed906e59865d0d7a2b543..bf9ccf4cce069953fa75ded49a339cfe514a11bd 100644
--- a/runtime/bin/socket_impl.dart
+++ b/runtime/bin/socket_impl.dart
@@ -169,46 +169,32 @@ class _SocketBase {
   abstract bool _isListenSocket();
   abstract bool _isPipe();
 
-  /*
-   * Socket id is set from native. -1 indicates that the socket was closed.
-   */
+  // Socket id is set from native. -1 indicates that the socket was closed.
   int _id;
 
-  /*
-   * Dedicated ReceivePort for socket events.
-   */
+  // Dedicated ReceivePort for socket events.
   ReceivePort _handler;
 
-  /*
-   * Poll event to handler map.
-   */
+  // Poll event to handler map.
   List _handlerMap;
 
-  /*
-   * Indicates for which poll events the socket registered handlers.
-   */
+  // Indicates for which poll events the socket registered handlers.
   int _handlerMask;
 
-  /*
-   * Indicates if native interrupts can be activated.
-   */
+  // Indicates if native interrupts can be activated.
   bool _canActivateHandlers;
 
-  /*
-   * Holds the port of the socket, null if not known.
-   */
+  // Holds the port of the socket, null if not known.
   int _port;
 }
 
 
 class _ServerSocket extends _SocketBase implements ServerSocket {
-  /*
-   * Constructor for server socket. First a socket object is allocated
-   * in which the native socket is stored. After that _createBind
-   * is called which creates a file descriptor and binds the given address
-   * and port to the socket. Null is returned if file descriptor creation or
-   * bind failed.
-   */
+  // Constructor for server socket. First a socket object is allocated
+  // in which the native socket is stored. After that _createBind
+  // is called which creates a file descriptor and binds the given address
+  // and port to the socket. Null is returned if file descriptor creation or
+  // bind failed.
   factory _ServerSocket(String bindAddress, int port, int backlog) {
     ServerSocket socket = new _ServerSocket._internal();
     if (!socket._createBindListen(bindAddress, port, backlog)) {
@@ -249,13 +235,11 @@ class _ServerSocket extends _SocketBase implements ServerSocket {
 
 
 class _Socket extends _SocketBase implements Socket {
-  /*
-   * Constructor for socket. First a socket object is allocated
-   * in which the native socket is stored. After that _createConnect is
-   * called which creates a file discriptor and connects to the given
-   * host on the given port. Null is returned if file descriptor creation
-   * or connect failed.
-   */
+  // Constructor for socket. First a socket object is allocated
+  // in which the native socket is stored. After that _createConnect is
+  // called which creates a file discriptor and connects to the given
+  // host on the given port. Null is returned if file descriptor creation
+  // or connect failed.
   factory _Socket(String host, int port) {
     Socket socket = new _Socket._internal();
     if (!socket._createConnect(host, port)) {