linux: disable querying the page window for windowless plugins

chrome/plugin/webplugin_delegate_stub.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/plugin/webplugin_delegate_stub.h"
 
 #include "build/build_config.h"
 
 #include "base/command_line.h"
 #include "chrome/common/child_process_logging.h"
@@ skipping 128 matching lines @@
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   FilePath path = FilePath::FromWStringHack(
       command_line.GetSwitchValue(switches::kPluginPath));
 
 
   gfx::PluginWindowHandle parent = NULL;
 #if defined(OS_WIN)
   parent = gfx::NativeViewFromId(params.containing_window);
 #elif defined(OS_LINUX)
-  PluginThread::current()->Send(new PluginProcessHostMsg_MapNativeViewId(
-      params.containing_window, &parent));
+  // This code is disabled, See issue 17110.
+  // The problem is that the XID can change at arbitrary times (e.g. when the
+  // tab is detached then reattached), so we need to be able to track these
+  // changes, and let the PluginInstance know.
+  // PluginThread::current()->Send(new PluginProcessHostMsg_MapNativeViewId(
+  //    params.containing_window, &parent));
 #endif
   delegate_ = WebPluginDelegate::Create(path, mime_type_, parent);
 
   if (delegate_) {
     webplugin_ = new WebPluginProxy(
         channel_, instance_id_, delegate_, page_url_);
 #if defined(OS_WIN)
     if (!webplugin_->SetModalDialogEvent(params.modal_dialog_event))
       return;
 #endif
@@ skipping 212 matching lines @@
                                       params.notify_data,
                                       params.stream);
   webplugin_->OnResourceCreated(params.resource_id, resource_client);
 }
 
 void WebPluginDelegateStub::OnURLRequestRouted(const std::string& url,
                                                bool notify_needed,
                                                intptr_t notify_data) {
   delegate_->URLRequestRouted(url, notify_needed, notify_data);
 }