Small cleanup for ChromeBrowserMain:

chrome/browser/chrome_browser_main_android.cc

 // Copyright (c) 2012 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_android.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/path_service.h"
 #include "cc/base/switches.h"
@@ skipping 69 matching lines @@
 
   CommandLine::ForCurrentProcess()->AppendSwitch(
       cc::switches::kCompositeToMailbox);
 
   ChromeBrowserMainParts::PreEarlyInitialization();
 }
 
 void ChromeBrowserMainPartsAndroid::ShowMissingLocaleMessageBox() {
   NOTREACHED();
 }
-
-void RecordBreakpadStatusUMA(MetricsService* metrics) {
-  // TODO: crbug.com/139023
-  NOTIMPLEMENTED();
-}
-
-void WarnAboutMinimumSystemRequirements() {
-}