Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/plugin/plugin_thread.cc

 // Copyright (c) 2012 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 "content/plugin/plugin_thread.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_MACOSX)
 #include <CoreFoundation/CoreFoundation.h>
@@ skipping 11 matching lines @@
 #include "content/child/blink_platform_impl.h"
 #include "content/child/child_process.h"
 #include "content/child/npapi/npobject_util.h"
 #include "content/child/npapi/plugin_lib.h"
 #include "content/common/plugin_process_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/plugin/content_plugin_client.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "ipc/ipc_channel_handle.h"
 
-#if defined(USE_X11)
-#include "ui/base/x/x11_util.h"
-#endif
-
 namespace content {
 
 namespace {
 
 class EnsureTerminateMessageFilter : public IPC::ChannelProxy::MessageFilter {
  public:
   EnsureTerminateMessageFilter() {}
 
  protected:
   virtual ~EnsureTerminateMessageFilter() {}
@@ skipping 109 matching lines @@
   }
 
   Send(new PluginProcessHostMsg_ChannelCreated(channel_handle));
 }
 
 void PluginThread::OnNotifyRenderersOfPendingShutdown() {
   PluginChannel::NotifyRenderersOfPendingShutdown();
 }
 
 }  // namespace content