Convert Android WebView to store locale .pak files as res/raw resources

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 10 matching lines @@
     const base::FilePath& disk_file_path);
 
 // Returns the file descriptor and region for resources.pak.
 UI_BASE_EXPORT int GetMainAndroidPackFd(
     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);
 
-// Checks whether the locale data pak is contained within the .apk.
-bool AssetContainedInApk(const std::string& filename);
+// 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);
 
 bool RegisterResourceBundleAndroid(JNIEnv* env);
 
 }  // namespace ui
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_BUNDLE_ANDROID_H_