Clean up Automation and Chrome Frame IPC code.

chrome/test/automation/automation_handle_tracker.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.
 
 #include "chrome/test/automation/automation_handle_tracker.h"
 
 #include "chrome/common/automation_messages.h"
 #include "chrome/test/automation/automation_proxy.h"
 
 AutomationResourceProxy::AutomationResourceProxy(
@@ skipping 27 matching lines @@
   handle_to_object_.insert(MapEntry(proxy->handle(), proxy));
 }
 
 void AutomationHandleTracker::Remove(AutomationResourceProxy* proxy) {
   AutoLock lock(map_lock_);
   HandleToObjectMap::iterator iter = handle_to_object_.find(proxy->handle());
   if (iter != handle_to_object_.end()) {
     AutomationHandle proxy_handle = proxy->handle();
     handle_to_object_.erase(iter);
     if (channel_)
-      channel_->Send(new AutomationMsg_HandleUnused(0, proxy_handle));
+      channel_->Send(new AutomationMsg_HandleUnused(proxy_handle));
   }
 }
 
 void AutomationHandleTracker::InvalidateHandle(AutomationHandle handle) {
   // Called in background thread.
   AutoLock lock(map_lock_);
   HandleToObjectMap::iterator iter = handle_to_object_.find(handle);
   if (iter != handle_to_object_.end()) {
     scoped_refptr<AutomationResourceProxy> proxy = iter->second;
     handle_to_object_.erase(iter);
     proxy->Invalidate();
   }
 }
 
 AutomationResourceProxy* AutomationHandleTracker::GetResource(
     AutomationHandle handle) {
   AutoLock lock(map_lock_);
   HandleToObjectMap::iterator iter = handle_to_object_.find(handle);
   if (iter == handle_to_object_.end())
     return NULL;
 
   iter->second->AddRef();
   return iter->second;
 }