Pass Chrome user agent string to Android media player

media/base/android/java/src/org/chromium/media/MediaPlayerBridge.java

 // Copyright 2013 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.media;
 
 import android.content.Context;
 import android.media.MediaPlayer;
 import android.net.Uri;
 import android.os.AsyncTask;
@@ skipping 119 matching lines @@
         getLocalPlayer().pause();
     }
 
     @CalledByNative
     protected void seekTo(int msec) throws IllegalStateException {
         getLocalPlayer().seekTo(msec);
     }
 
     @CalledByNative
     protected boolean setDataSource(
-            Context context, String url, String cookies, boolean hideUrlLog) {
+            Context context, String url, String cookies, String userAgent, boolean hideUrlLog) {
         Uri uri = Uri.parse(url);
         HashMap<String, String> headersMap = new HashMap<String, String>();
         if (hideUrlLog) headersMap.put("x-hide-urls-from-log", "true");
         if (!TextUtils.isEmpty(cookies)) headersMap.put("Cookie", cookies);
+        if (!TextUtils.isEmpty(userAgent)) headersMap.put("User-Agent", userAgent);
         try {
             getLocalPlayer().setDataSource(context, uri, headersMap);
             return true;
         } catch (Exception e) {
             return false;
         }
     }
 
     @CalledByNative
     protected boolean setDataUriDataSource(final Context context, final String url) {
@@ skipping 170 matching lines @@
             Log.e(TAG, "Cannot access metadata: " + e);
         } catch (NoSuchFieldException e) {
             Log.e(TAG, "Cannot find matching fields in Metadata class: " + e);
         }
         return new AllowedOperations(canPause, canSeekForward, canSeekBackward);
     }
 
     private native void nativeOnDidSetDataUriDataSource(long nativeMediaPlayerBridge,
                                                         boolean success);
 }