PlzNavigate: Remove the RequestNavigation IPC

content/browser/loader/navigation_url_loader.cc

Index: content/browser/loader/navigation_url_loader.cc
diff --git a/content/browser/loader/navigation_url_loader.cc b/content/browser/loader/navigation_url_loader.cc
index 350ffc2a6881ff2f3a648ff40e956804a9717a0a..d1339957c3301dbc7253279f3d9f087b10f1629c 100644
--- a/content/browser/loader/navigation_url_loader.cc
+++ b/content/browser/loader/navigation_url_loader.cc
@@ -17,16 +17,15 @@ scoped_ptr<NavigationURLLoader> NavigationURLLoader::Create(
     int64 frame_tree_node_id,
     const CommonNavigationParams& common_params,
     scoped_ptr<NavigationRequestInfo> request_info,
-    ResourceRequestBody* request_body,
     NavigationURLLoaderDelegate* delegate) {
   if (g_factory) {
     return g_factory->CreateLoader(browser_context, frame_tree_node_id,
                                    common_params, request_info.Pass(),
-                                   request_body, delegate);
+                                   delegate);
   }
   return scoped_ptr<NavigationURLLoader>(new NavigationURLLoaderImpl(
       browser_context, frame_tree_node_id, common_params, request_info.Pass(),
-      request_body, delegate));
+      delegate));
 }
 
 void NavigationURLLoader::SetFactoryForTesting(