Remove all support for the Carbon NPAPI event model

content/plugin/webplugin_proxy.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/webplugin_proxy.h"
 
 #include "build/build_config.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 741 matching lines @@
 void WebPluginProxy::AcceleratedPluginSwappedIOSurface() {
   Send(new PluginHostMsg_AcceleratedPluginSwappedIOSurface(
       route_id_));
 }
 #endif
 
 void WebPluginProxy::OnPaint(const gfx::Rect& damaged_rect) {
   content::GetContentClient()->SetActiveURL(page_url_);
 
   Paint(damaged_rect);
-  bool allow_buffer_flipping;
-#if defined(OS_MACOSX)
-  allow_buffer_flipping = delegate_->AllowBufferFlipping();
-#else
-  allow_buffer_flipping = true;
-#endif
-  Send(new PluginHostMsg_InvalidateRect(route_id_,
-                                        damaged_rect,
-                                        allow_buffer_flipping));
+  Send(new PluginHostMsg_InvalidateRect(route_id_, damaged_rect));
 }
 
 bool WebPluginProxy::IsOffTheRecord() {
   return channel_->incognito();
 }
 
 void WebPluginProxy::ResourceClientDeleted(
     WebPluginResourceClient* resource_client) {
   ResourceClientMap::iterator index = resource_clients_.begin();
   while (index != resource_clients_.end()) {
@@ skipping 16 matching lines @@
   // Retrieve the IME status from a plug-in and send it to a renderer process
   // when the plug-in has updated it.
   int input_type;
   gfx::Rect caret_rect;
   if (!delegate_->GetIMEStatus(&input_type, &caret_rect))
     return;
 
   Send(new PluginHostMsg_NotifyIMEStatus(route_id_, input_type, caret_rect));
 }
 #endif