cc: Remove IOSurface explicit support in VideoLayerImpl.

cc/resources/video_resource_updater.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 "cc/resources/video_resource_updater.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 402 matching lines @@
           if (video_frame->texture_format() == media::VideoFrame::TEXTURE_RGB)
             external_resources.type = VideoFrameExternalResources::RGB_RESOURCE;
           else
             external_resources.type =
                 VideoFrameExternalResources::RGBA_RESOURCE;
           break;
         case GL_TEXTURE_EXTERNAL_OES:
           external_resources.type =
               VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE;
           break;
-        case GL_TEXTURE_RECTANGLE_ARB:
-          external_resources.type = VideoFrameExternalResources::IO_SURFACE;
-          break;
         default:
           NOTREACHED();
           return VideoFrameExternalResources();
       }
       break;
     case media::VideoFrame::TEXTURE_YUV_420:
       external_resources.type = VideoFrameExternalResources::YUV_RESOURCE;
       break;
   }
   DCHECK_NE(VideoFrameExternalResources::NONE, external_resources.type);
@@ skipping 40 matching lines @@
     resource_it->ref_count = 0;
     updater->DeleteResource(resource_it);
     return;
   }
 
   --resource_it->ref_count;
   DCHECK_GE(resource_it->ref_count, 0);
 }
 
 }  // namespace cc