Use GSC0 instead of GSC1 for video encoding.

content/common/gpu/media/generic_v4l2_video_device.cc

 // Copyright 2014 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 <fcntl.h>
 #include <libdrm/drm_fourcc.h>
 #include <linux/videodev2.h>
 #include <poll.h>
 #include <sys/eventfd.h>
@@ skipping 21 matching lines @@
 #else
 #define v4l2_close close
 #define v4l2_ioctl ioctl
 #endif
 
 namespace content {
 
 namespace {
 const char kDecoderDevice[] = "/dev/video-dec";
 const char kEncoderDevice[] = "/dev/video-enc";
-const char kImageProcessorDevice[] = "/dev/gsc1";
+const char kImageProcessorDevice[] = "/dev/gsc0";
 }
 
 GenericV4L2Device::GenericV4L2Device(Type type)
     : type_(type),
       device_fd_(-1),
       device_poll_interrupt_fd_(-1) {}
 
 GenericV4L2Device::~GenericV4L2Device() {
   if (device_poll_interrupt_fd_ != -1) {
     close(device_poll_interrupt_fd_);
@@ skipping 236 matching lines @@
   StubPathMap paths;
   paths[kModuleV4l2].push_back(kV4l2Lib);
 
   return InitializeStubs(paths);
 #else
   return true;
 #endif
 }
 
 }  //  namespace content