Revert of Move language pak files to assets.

ui/android/java/src/org/chromium/ui/base/ResourceBundle.java

Index: ui/android/java/src/org/chromium/ui/base/ResourceBundle.java
diff --git a/ui/android/java/src/org/chromium/ui/base/ResourceBundle.java b/ui/android/java/src/org/chromium/ui/base/ResourceBundle.java
index f5907c673b4adac61c9254d8b0e4709dbc16b4a5..adbf8afac277330364f11daeafffa525c5224d7e 100644
--- a/ui/android/java/src/org/chromium/ui/base/ResourceBundle.java
+++ b/ui/android/java/src/org/chromium/ui/base/ResourceBundle.java
@@ -4,14 +4,17 @@
 
 package org.chromium.ui.base;
 
-import org.chromium.base.LocaleUtils;
+import android.content.Context;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+
+import org.chromium.base.ResourceExtractor;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.base.annotations.SuppressFBWarnings;
 
 import java.io.File;
-import java.util.ArrayList;
 import java.util.Locale;
 
 /**
@@ -20,31 +23,54 @@
  */
 @JNINamespace("ui")
 public class ResourceBundle {
-    private static final String ASSET_DIR = "assets";
-    private static final String FALLBACK_LOCALE = "en-US";
-    private static String[] sActiveLocaleResources;
+    private static ResourceExtractor.ResourceEntry[] sActiveLocaleResources;
 
     /**
-     * Initializes the list of locale packs for the active locale that are present within the apk.
+     * Applies the reverse mapping done by locale_pak_resources.py.
+     */
+    private static String toChromeLocaleName(String srcFileName) {
+        srcFileName = srcFileName.replace(".lpak", ".pak");
+        String[] parts = srcFileName.split("_");
+        if (parts.length > 1) {
+            int dotIdx = parts[1].indexOf('.');
+            return parts[0] + "-" + parts[1].substring(0, dotIdx).toUpperCase(Locale.ENGLISH)
+                    + parts[1].substring(dotIdx);
+        }
+        return srcFileName;
+    }
+
+    /**
+     * Initializes the list of locale packs for the active locale that are
+     * present within the apk.
      *
-     * @param localePakFiles An array of pak filenames.
+     * @param context Any context
+     * @param localePaksResId Resource ID locale_paks (generated by
+     *            locale_pak_resources.py)
      */
     @SuppressFBWarnings("LI_LAZY_INIT_UPDATE_STATIC")  // Not thread-safe.
-    public static void initializeLocalePaks(String[] localePakFiles) {
+    public static void initializeLocalePaks(Context context, int localePaksResId) {
         ThreadUtils.assertOnUiThread();
         assert sActiveLocaleResources == null;
-        String language = LocaleUtils.getLanguage(Locale.getDefault());
-        ArrayList<String> activeLocalePakFiles = new ArrayList<String>(localePakFiles.length);
-        for (String pakFileName : localePakFiles) {
-            if (pakFileName.startsWith(language) || pakFileName.startsWith(FALLBACK_LOCALE)) {
-                activeLocalePakFiles.add(pakFileName);
+        Resources resources = context.getResources();
+        TypedArray resIds = resources.obtainTypedArray(localePaksResId);
+        try {
+            int len = resIds.length();
+            sActiveLocaleResources = new ResourceExtractor.ResourceEntry[len];
+            for (int i = 0; i < len; ++i) {
+                int resId = resIds.getResourceId(i, 0);
+                String resPath = resources.getString(resId);
+                String srcBaseName = new File(resPath).getName();
+                String dstBaseName = toChromeLocaleName(srcBaseName);
+                sActiveLocaleResources[i] = new ResourceExtractor.ResourceEntry(resId, resPath,
+                        dstBaseName);
             }
+        } finally {
+            resIds.recycle();
         }
-        sActiveLocaleResources = activeLocalePakFiles.toArray(new String[0]);
     }
 
-    @SuppressFBWarnings("MS_EXPOSE_REP") // Don't modify the list.
-    public static String[] getActiveLocaleResources() {
+    @SuppressFBWarnings("MS_EXPOSE_REP")  // Don't modify the array.
+    public static ResourceExtractor.ResourceEntry[] getActiveLocaleResources() {
         return sActiveLocaleResources;
     }
 
@@ -54,9 +80,9 @@
             return null;
         }
         String fileName = locale + ".pak";
-        for (String resName : sActiveLocaleResources) {
-            if (fileName.equals(resName)) {
-                return new File(ASSET_DIR, resName).toString();
+        for (ResourceExtractor.ResourceEntry entry : sActiveLocaleResources) {
+            if (fileName.equals(entry.extractedFileName)) {
+                return entry.pathWithinApk;
             }
         }
         return null;