Revert 156678 - Native messaging now uses the MessageService back-end.

chrome/browser/renderer_host/chrome_render_message_filter.h

Index: chrome/browser/renderer_host/chrome_render_message_filter.h
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.h b/chrome/browser/renderer_host/chrome_render_message_filter.h
index f18f454eb68be6743389c71ba6873916125aefb9..19351c93418357343ccd9e0a17a45c617e741130 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.h
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.h
@@ -100,18 +100,6 @@ class ChromeRenderMessageFilter : public content::BrowserMessageFilter {
                                         const std::string& source_extension_id,
                                         const std::string& target_extension_id,
                                         const std::string& channel_name);
-  void OnOpenChannelToNativeApp(int routing_id,
-                                const std::string& source_extension_id,
-                                const std::string& native_app_name,
-                                const std::string& channel_name,
-                                const std::string& connect_message,
-                                int* port_id);
-  void OpenChannelToNativeAppOnUIThread(int source_routing_id,
-                                        int receiver_port_id,
-                                        const std::string& source_extension_id,
-                                        const std::string& native_app_name,
-                                        const std::string& channel_name,
-                                        const std::string& connect_message);
   void OnOpenChannelToTab(int routing_id, int tab_id,
                           const std::string& extension_id,
                           const std::string& channel_name, int* port_id);