Fixes some memory leaks in //runtime/bin

runtime/bin/socket_win.cc

 // 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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_WINDOWS)
 
+#include "bin/socket.h"
+#include "bin/socket_win.h"
+
 #include "bin/builtin.h"
 #include "bin/eventhandler.h"
 #include "bin/file.h"
 #include "bin/lockers.h"
 #include "bin/log.h"
-#include "bin/socket.h"
 #include "bin/thread.h"
 #include "bin/utils.h"
 #include "bin/utils_win.h"
 
-
 namespace dart {
 namespace bin {
 
 SocketAddress::SocketAddress(struct sockaddr* sockaddr) {
   ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
   RawAddr* raw = reinterpret_cast<RawAddr*>(sockaddr);
 
   // Clear the port before calling WSAAddressToString as WSAAddressToString
   // includes the port in the formatted string.
   int err = Socket::FormatNumericAddress(*raw, as_string_, INET6_ADDRSTRLEN);
@@ skipping 330 matching lines @@
 
 bool Socket::ParseAddress(int type, const char* address, RawAddr* addr) {
   int result;
   const wchar_t* system_address = StringUtilsWin::Utf8ToWide(address);
   if (type == SocketAddress::TYPE_IPV4) {
     result = InetPton(AF_INET, system_address, &addr->in.sin_addr);
   } else {
     ASSERT(type == SocketAddress::TYPE_IPV6);
     result = InetPton(AF_INET6, system_address, &addr->in6.sin6_addr);
   }
-  free(const_cast<wchar_t*>(system_address));
   return result == 1;
 }
 
 
 intptr_t Socket::CreateBindDatagram(const RawAddr& addr, bool reuseAddress) {
   SOCKET s = socket(addr.ss.ss_family, SOCK_DGRAM, IPPROTO_UDP);
   if (s == INVALID_SOCKET) {
     return -1;
   }
 
@@ skipping 328 matching lines @@
                     proto,
                     MCAST_LEAVE_GROUP,
                     reinterpret_cast<char *>(&mreq),
                     sizeof(mreq)) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_WINDOWS)