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

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 1214 matching lines @@
     cc::switches::kTopControlsHideThreshold,
     cc::switches::kTopControlsShowThreshold,
 #if defined(ENABLE_PLUGINS)
     switches::kEnablePepperTesting,
 #endif
 #if defined(ENABLE_WEBRTC)
     switches::kDisableAudioTrackProcessing,
     switches::kDisableWebRtcHWDecoding,
     switches::kDisableWebRtcHWEncoding,
     switches::kEnableWebRtcHWVp8Encoding,
+    switches::kEnableWebRtcHWH264Encoding,
 #endif
     switches::kLowEndDeviceMode,
 #if defined(OS_ANDROID)
     switches::kDisableGestureRequirementForMediaPlayback,
     switches::kDisableWebRTC,
     switches::kEnableSpeechRecognition,
     switches::kMediaDrmEnableNonCompositing,
     switches::kNetworkCountryIso,
     switches::kDisableWebAudio,
 #endif
@@ skipping 1104 matching lines @@
 }
 
 void RenderProcessHostImpl::OnDeletedGpuMemoryBuffer(
     gfx::GpuMemoryBufferType type,
     const gfx::GpuMemoryBufferId& id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   GpuMemoryBufferImpl::DeletedByChildProcess(type, id, GetHandle());
 }
 
 }  // namespace content