enable MSE and legacy EME by default on Android

content/browser/renderer_host/render_process_host_impl.cc

 // 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 918 matching lines @@
     switches::kEnableSkiaBenchmarking,
     switches::kEnableLogging,
     switches::kEnableSpeechSynthesis,
     switches::kEnableTouchDragDrop,
     switches::kEnableTouchEditing,
 #if defined(ENABLE_WEBRTC)
     switches::kEnableWebRtcAecRecordings,
     switches::kEnableWebRtcTcpServerSocket,
     switches::kEnableWebRtcHWDecoding,
 #endif
-#if defined(ANDROID) && !defined(GOOGLE_TV)
-    switches::kEnableWebKitMediaSource,
-#else
     switches::kDisableWebKitMediaSource,
-#endif
     switches::kEnableOverscrollNotifications,
     switches::kEnableStrictSiteIsolation,
     switches::kDisableFullScreen,
     switches::kEnableNewDialogStyle,
 #if defined(ENABLE_PLUGINS)
     switches::kEnablePepperTesting,
     switches::kDisablePepper3d,
 #endif
     switches::kEnablePreparsedJsCaching,
     switches::kEnablePruneGpuCommandBuffers,
@@ skipping 846 matching lines @@
     // Skip widgets in other processes.
     if (widgets[i]->GetProcess()->GetID() != GetID())
       continue;
 
     RenderViewHost* rvh = RenderViewHost::From(widgets[i]);
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content