Remove static PACKAGE_NAME variable and refactor getRawAcceptableDirectories method.

content/public/android/javatests/src/org/chromium/content/browser/MediaResourceGetterTest.java

 // 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.
 
 package org.chromium.content.browser;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.media.MediaMetadataRetriever;
@@ skipping 185 matching lines @@
      */
     private static class InternalMockContext extends MockContext {
         boolean mAllowPermission = false;
         @Override
         public int checkCallingOrSelfPermission(String permission) {
             assertEquals(android.Manifest.permission.ACCESS_NETWORK_STATE,
                     permission);
             return mAllowPermission ? PackageManager.PERMISSION_GRANTED :
                 PackageManager.PERMISSION_DENIED;
         }
+
+        @Override
+        public String getPackageName() {
+            return "org.some.app.package";
+        }
     }
 
     // Our test objects.
     private FakeMediaResourceGetter mFakeMRG;
     private InternalMockContext mMockContext;
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         mFakeMRG = new FakeMediaResourceGetter();
@@ skipping 369 matching lines @@
         assertTrue(MediaResourceGetter.androidDeviceOk(
                 "GT-I9100", android.os.Build.VERSION_CODES.JELLY_BEAN));
     }
 
     @SmallTest
     public void testAndroidDeviceOk_GoodModel_AnyVersion() {
         assertTrue(MediaResourceGetter.androidDeviceOk(
                 "Happy Device", android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH));
     }
 }