Add Android stub implementation for AppNotifyChannelUI

chrome/browser/extensions/app_notify_channel_ui_impl.cc

Index: chrome/browser/extensions/app_notify_channel_ui_impl.cc
diff --git a/chrome/browser/extensions/app_notify_channel_ui.cc b/chrome/browser/extensions/app_notify_channel_ui_impl.cc
similarity index 98%
rename from chrome/browser/extensions/app_notify_channel_ui.cc
rename to chrome/browser/extensions/app_notify_channel_ui_impl.cc
index f4bd4b04c9b6a970a9d3f2c4c1f0c65749720f72..3f8b91c08c3ca05852ef2d25f6910d40d01a2416 100644
--- a/chrome/browser/extensions/app_notify_channel_ui.cc
+++ b/chrome/browser/extensions/app_notify_channel_ui_impl.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/extensions/app_notify_channel_ui.h"
+#include "chrome/browser/extensions/app_notify_channel_ui_impl.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
@@ -164,7 +164,6 @@ void AppNotifyChannelUIImpl::OnInfoBarResult(bool accepted) {
 }
 
 void AppNotifyChannelUIImpl::OnStateChanged() {
-#if !defined(OS_ANDROID)
   ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile_);
   LoginUIService* login_service =
@@ -183,7 +182,6 @@ void AppNotifyChannelUIImpl::OnStateChanged() {
     StopObservingSync();
     delegate_->OnSyncSetupResult(sync_service->HasSyncSetupCompleted());
   }
-#endif  // !defined(OS_ANDROID)
 }
 
 void AppNotifyChannelUIImpl::StartObservingSync() {