H264 HW encode using VideoToolbox

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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 1551 matching lines @@
     switches::kEnableLowEndDeviceMode,
     switches::kDisableLowEndDeviceMode,
 #if defined(OS_ANDROID)
     switches::kEnableUnifiedMediaPipeline,
     switches::kIPCSyncCompositing,
     switches::kRendererWaitForJavaDebugger,
     switches::kEnableImeThread,
     switches::kDisableImeThread,
 #endif
 #if defined(OS_MACOSX)
+    switches::kDisableVTAcceleratedVideoEncode,
     // Allow this to be set when invoking the browser and relayed along.
     switches::kEnableSandboxLogging,
 #endif
 #if defined(OS_WIN)
     switches::kDisableDirectWrite,
     switches::kDisableWin32kRendererLockDown,
     switches::kTraceExportEventsToETW,
 #endif
 #if defined(USE_OZONE)
     switches::kOzonePlatform,
@@ skipping 1221 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content