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

content/common/swapped_out_messages.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/common/swapped_out_messages.h"
 
 #include "content/common/accessibility_messages.h"
 #include "content/common/frame_messages.h"
 #include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
@@ skipping 70 matching lines @@
     // Updates the previous navigation entry.
     case ViewHostMsg_UpdateState::ID:
     // Sends an ACK.
     case ViewHostMsg_UpdateTargetURL::ID:
     // We allow closing even if we are in the process of swapping out.
     case ViewHostMsg_Close::ID:
     // Sends an ACK.
     case ViewHostMsg_RequestMove::ID:
     // Sends an ACK.
     case AccessibilityHostMsg_Events::ID:
-#if defined(USE_X11)
-    // Synchronous message when leaving a page with plugin.  In this case,
-    // we want to destroy the plugin rather than return an error message.
-    case ViewHostMsg_DestroyPluginContainer::ID:
-#endif
       return true;
     default:
       break;
   }
 
   // Check with the embedder as well.
   ContentClient* client = GetContentClient();
   return client->CanHandleWhileSwappedOut(msg);
 }
 
 }  // namespace content