Reland of Deduplicate Monochrome locale .paks

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/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
@@ skipping 62 matching lines @@
         switches::kEnableCrashReporterForTesting);
 
   if (breakpad_enabled) {
     base::FilePath crash_dump_dir;
     PathService::Get(chrome::DIR_CRASH_DUMPS, &crash_dump_dir);
     breakpad::CrashDumpObserver::GetInstance()->RegisterClient(
         base::MakeUnique<breakpad::CrashDumpManager>(
             crash_dump_dir, kAndroidMinidumpDescriptor));
   }
 
+  // Auto-detect based on en-US whether secondary locale .pak files exist.
+  ui::SetLoadSecondaryLocalePaks(
+      !ui::GetPathForAndroidLocalePakWithinApk("en-US").empty());
+
   return ChromeBrowserMainParts::PreCreateThreads();
 }
 
 void ChromeBrowserMainPartsAndroid::PostProfileInit() {
   ChromeBrowserMainParts::PostProfileInit();
 
   // Previously we stored information related to salient images for bookmarks
   // in a local file. We replaced the salient images with favicons. As part
   // of the clean up, the local file needs to be deleted. See crbug.com/499415.
   base::FilePath bookmark_image_file_path =
@@ skipping 49 matching lines @@
   base::PostDelayedTaskWithTraits(
       FROM_HERE, {base::MayBlock(), base::TaskPriority::BACKGROUND},
       base::Bind(&ReportSeccompSupport), base::TimeDelta::FromMinutes(1));
 
   RegisterChromeJavaMojoInterfaces();
 }
 
 void ChromeBrowserMainPartsAndroid::ShowMissingLocaleMessageBox() {
   NOTREACHED();
 }