Add DIR_ANDROID_EXTERNAL_STORAGE to base/base_path.h

base/android/java/src/org/chromium/base/PathUtils.java

 // 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.
 
 package org.chromium.base;
 
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.os.Environment;
 
@@ skipping 55 matching lines @@
     @CalledByNative
     private static String getNativeLibraryDirectory(Context appContext) {
         ApplicationInfo ai = appContext.getApplicationInfo();
         if ((ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0 ||
             (ai.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
             return ai.nativeLibraryDir;
         }
 
         return "/system/lib/";
     }
+
+    /**
+     * @return the external storage directory.
+     */
+    @SuppressWarnings("unused")
+    @CalledByNative
+    public static String getExternalStorageDirectory() {
+        return Environment.getExternalStorageDirectory().getAbsolutePath();
+    }
 }