mac: Use IOSurfaces in Canvas2DLayerBridge.

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 1377 matching lines @@
   // with any associated values) if present in the browser command line.
   static const char* const kSwitchNames[] = {
     switches::kAgcStartupMinVolume,
     switches::kAllowLoopbackInPeerConnection,
     switches::kAndroidFontsPath,
     switches::kAudioBufferSize,
     switches::kBlinkPlatformLogChannels,
     switches::kBlinkSettings,
     switches::kDefaultTileWidth,
     switches::kDefaultTileHeight,
+    switches::kDisable2dCanvasImageChromium,
     switches::kDisable3DAPIs,
     switches::kDisableAcceleratedJpegDecoding,
     switches::kDisableAcceleratedVideoDecode,
     switches::kDisableBlinkFeatures,
     switches::kDisableBreakpad,
     switches::kDisablePreferCompositingToLCDText,
     switches::kDisableDatabases,
     switches::kDisableDelayAgnosticAec,
     switches::kDisableDirectNPAPIRequests,
     switches::kDisableDisplayList2dCanvas,
@@ skipping 1404 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content