Removes phantom tabs.

chrome/browser/extensions/extension_message_service.cc

 // Copyright (c) 2010 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/browser/extensions/extension_message_service.h"
 
 #include "base/json/json_writer.h"
 #include "base/singleton.h"
 #include "base/stl_util-inl.h"
 #include "base/values.h"
@@ skipping 285 matching lines @@
   MessagePort receiver;
   receiver.debug_info = 2;
   if (ExtensionTabUtil::GetTabById(tab_id, source->profile(), true,
                                    NULL, NULL, &contents, NULL)) {
     receiver.sender = contents->render_view_host();
     receiver.routing_id = contents->render_view_host()->routing_id();
     receiver.debug_info = 3;
   }
 
   if (contents && contents->controller().needs_reload()) {
-    // The tab isn't loaded yet (it may be phantom). Don't attempt to connect.
-    // Treat this as a disconnect.
+    // The tab isn't loaded yet (it needs to be restored). Don't attempt to
+    // connect.  Treat this as a disconnect.
     DispatchOnDisconnect(MessagePort(source, MSG_ROUTING_CONTROL),
                          GET_OPPOSITE_PORT_ID(receiver_port_id));
     return;
   }
 
   TabContents* source_contents = tab_util::GetTabContentsByID(
       source_process_id, source_routing_id);
 
   // Include info about the opener's tab (if it was a tab).
   std::string tab_json = "null";
@@ skipping 75 matching lines @@
   return port1_id;
 }
 
 int ExtensionMessageService::OpenSpecialChannelToTab(
     const std::string& extension_id, const std::string& channel_name,
     TabContents* target_tab_contents, IPC::Message::Sender* source) {
   DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
   DCHECK(target_tab_contents);
 
   if (target_tab_contents->controller().needs_reload()) {
-    // The tab isn't loaded yet (it may be phantom). Don't attempt to connect.
+    // The tab isn't loaded yet (it needs to be reloaded). Don't attempt to
+    // connect.
     return -1;
   }
 
   int port1_id = -1;
   int port2_id = -1;
   // Create a channel ID for both sides of the channel.
   AllocatePortIdPair(&port1_id, &port2_id);
 
   MessagePort receiver(
       target_tab_contents->render_view_host(),
@@ skipping 136 matching lines @@
 
     if (current->second->opener.sender == sender) {
       CloseChannelImpl(current, GET_CHANNEL_OPENER_ID(current->first),
                        notify_other_port);
     } else if (current->second->receiver.sender == sender) {
       CloseChannelImpl(current, GET_CHANNEL_RECEIVERS_ID(current->first),
                        notify_other_port);
     }
   }
 }