Simplify the user agent code some more since after r255534 it's not affected by the site's URL.

content/browser/media/android/browser_media_player_manager.cc

 // 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.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/media/android/browser_demuxer_android.h"
 #include "content/browser/media/android/media_resource_getter_impl.h"
@@ skipping 58 matching lines @@
     MediaPlayerHostMsg_Initialize_Type type,
     int player_id,
     const GURL& url,
     const GURL& first_party_for_cookies,
     int demuxer_client_id,
     bool hide_url_log,
     MediaPlayerManager* manager,
     BrowserDemuxerAndroid* demuxer) {
   switch (type) {
     case MEDIA_PLAYER_TYPE_URL: {
-      const std::string user_agent = GetUserAgent(url);
+      const std::string user_agent = GetContentClient()->GetUserAgent();
       MediaPlayerBridge* media_player_bridge = new MediaPlayerBridge(
           player_id,
           url,
           first_party_for_cookies,
           user_agent,
           hide_url_log,
           manager,
           base::Bind(&BrowserMediaPlayerManager::OnMediaResourcesRequested,
                      weak_ptr_factory_.GetWeakPtr()),
           base::Bind(&BrowserMediaPlayerManager::OnMediaResourcesReleased,
@@ skipping 789 matching lines @@
   if (player && player->IsSurfaceInUse())
     return;
   ExternalVideoSurfaceContainer* surface_container =
       ExternalVideoSurfaceContainer::FromWebContents(web_contents_);
   if (surface_container)
     surface_container->ReleaseExternalVideoSurface(player_id);
 #endif  // defined(VIDEO_HOLE)
 }
 
 }  // namespace content