Make GTK and Aura parts orthogonal to OS parts

chrome/browser/chrome_browser_main_aura.cc

 // Copyright (c) 2011 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 "chrome/browser/chrome_browser_main_aura.h"
 
 #include "base/logging.h"
 
-ChromeBrowserMainPartsAura::ChromeBrowserMainPartsAura(
-    const MainFunctionParams& parameters)
-    : ChromeBrowserMainParts(parameters) {
+ChromeBrowserPartsAura::ChromeBrowserPartsAura(
+    ChromeBrowserMainParts* main_parts)
+ : ChromeBrowserMainParts::ExtraParts(main_parts) {
+}
+
+void ChromeBrowserPartsAura::PreEarlyInitialization() {
   NOTIMPLEMENTED();
 }
 
-void ChromeBrowserMainPartsAura::PreEarlyInitialization() {
+void ChromeBrowserPartsAura::ShowMessageBox(const char* message) {
+  LOG(ERROR) << "ShowMessageBox (not implemented): " << message;
   NOTIMPLEMENTED();
 }
-
-void ChromeBrowserMainPartsAura::PostMainMessageLoopStart() {
-  NOTIMPLEMENTED();
-}
-
-void ShowMissingLocaleMessageBox() {
-  NOTIMPLEMENTED();
-}