Reland of Deduplicate Monochrome locale .paks

ui/base/resource/resource_bundle_android.h

 // Copyright 2014 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.
 
 #ifndef UI_BASE_RESOURCE_RESOURCE_BUNDLE_ANDROID_H_
 #define UI_BASE_RESOURCE_RESOURCE_BUNDLE_ANDROID_H_
 
 #include <jni.h>
 #include <string>
 
@@ skipping 13 matching lines @@
     base::MemoryMappedFile::Region* out_region);
 
 // Returns the file descriptor and region for chrome_100_percent.pak.
 UI_BASE_EXPORT int GetCommonResourcesPackFd(
     base::MemoryMappedFile::Region* out_region);
 
 // Returns the file descriptor and region for the locale .pak file.
 UI_BASE_EXPORT int GetLocalePackFd(
     base::MemoryMappedFile::Region* out_region);
 
+// Returns the file descriptor and region for the secondary locale .pak file.
+UI_BASE_EXPORT int GetSecondaryLocalePackFd(
+    base::MemoryMappedFile::Region* out_region);
+
 // Tell ResourceBundle to locate locale pak files via
 // GetPathForAndroidLocalePakWithinApk rather than looking for them on disk.
 UI_BASE_EXPORT void SetLocalePaksStoredInApk(bool value);
 
+// Tell ResourceBundle to load secondary locale .pak files.
+UI_BASE_EXPORT void SetLoadSecondaryLocalePaks(bool value);
+
 // Returns the path within the apk for the given locale's .pak file, or an
 // empty string if it doesn't exist.
 // Only locale paks for the active Android language can be retrieved.
 UI_BASE_EXPORT std::string GetPathForAndroidLocalePakWithinApk(
     const std::string& locale);
 
 // Get the density of the primary display. Use this instead of using Display
 // to avoid initializing Display in child processes.
 float GetPrimaryDisplayScale();
 
 }  // namespace ui
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_BUNDLE_ANDROID_H_