Remove all support for the Carbon NPAPI event model

content/plugin/webplugin_proxy.cc

Index: content/plugin/webplugin_proxy.cc
diff --git a/content/plugin/webplugin_proxy.cc b/content/plugin/webplugin_proxy.cc
index 5825329a66d0facafeb6e1033ad44bcaa8e33953..937496e4ca5e2c09e327acbbd868da3077f632ec 100644
--- a/content/plugin/webplugin_proxy.cc
+++ b/content/plugin/webplugin_proxy.cc
@@ -759,15 +759,7 @@ 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() {