Only allow webrtc HW offload for H264 encode for extension process.

chrome/browser/chromeos/login/chrome_restart_request.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 "chrome/browser/chromeos/login/chrome_restart_request.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "base/command_line.h"
@@ skipping 132 matching lines @@
     ::switches::kUserDataDir,
     ::switches::kV,
     ::switches::kVModule,
     ::switches::kEnableWebGLDraftExtensions,
     ::switches::kEnableWebGLImageChromium,
 #if defined(ENABLE_WEBRTC)
     ::switches::kDisableAudioTrackProcessing,
     ::switches::kDisableWebRtcHWDecoding,
     ::switches::kDisableWebRtcHWEncoding,
     ::switches::kEnableWebRtcHWVp8Encoding,
+    ::switches::kEnableWebRtcHWH264Encoding,
 #endif
     ::switches::kDisableVaapiAcceleratedVideoEncode,
 #if defined(USE_OZONE)
     ::switches::kOzonePlatform,
     ::switches::kOzoneUseSurfaceless,
 #endif
     app_list::switches::kDisableSyncAppList,
     app_list::switches::kEnableSyncAppList,
     ash::switches::kAshDefaultWallpaperLarge,
     ash::switches::kAshDefaultWallpaperSmall,
@@ skipping 204 matching lines @@
     // Relaunch chrome without session manager on dev box.
     ReLaunch(command_line);
     return;
   }
 
   // ChromeRestartRequest deletes itself after request sent to session manager.
   (new ChromeRestartRequest(command_line))->Start();
 }
 
 }  // namespace chromeos