Fix some leaks in the syncchannel unittest.

chrome/common/ipc_sync_channel_unittest.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Unit test for SyncChannel.
 
 #include <windows.h>
 #include <string>
 #include <vector>
 
@@ skipping 466 matching lines @@
     : Worker(Channel::MODE_CLIENT, "recursive_client"),
       pump_during_send_(pump_during_send), close_channel_(close_channel) { }
 
   void OnDoubleDelay(int in, Message* reply_msg) {
     int answer = 0;
     IPC::SyncMessage* msg = new SyncChannelTestMsg_Double(5, &answer);
     if (pump_during_send_)
       msg->EnableMessagePumping();
     bool result = Send(msg);
     DCHECK(result != close_channel_);
-    if (!close_channel_) {
+    if (close_channel_) {
+      delete reply_msg;
+    } else {
       SyncChannelTestMsg_Double::WriteReplyParams(reply_msg, in * 2);
       Send(reply_msg);
     }
     Done();
   }
 
   void OnAnswerDelay(Message* reply_msg) {
     if (close_channel_) {
+      delete reply_msg;
       CloseChannel();
     } else {
       SyncChannelTestMsg_AnswerToLife::WriteReplyParams(reply_msg, 42);
       Send(reply_msg);
     }
   }
 
   bool pump_during_send_, close_channel_;
 };
 
@@ skipping 505 matching lines @@
 TEST_F(IPCSyncChannelTest, SendWithTimeoutTimeout) {
   SendWithTimeoutTimeout(false);
   SendWithTimeoutTimeout(true);
 }
 
 // Sends some message that time-out and some that succeed.
 TEST_F(IPCSyncChannelTest, SendWithTimeoutMixedOKAndTimeout) {
   SendWithTimeoutMixedOKAndTimeout(false);
   SendWithTimeoutMixedOKAndTimeout(true);
 }