Fix V4L2 device failed to create on veyron board

content/common/sandbox_linux/bpf_gpu_policy_linux.cc

Index: content/common/sandbox_linux/bpf_gpu_policy_linux.cc
diff --git a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
index d356897d9e0740668884c496307960ca5c91dddb..673b8161da997d9c846e019dd374f565c2380260 100644
--- a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
@@ -27,6 +27,7 @@
 #include "content/common/sandbox_linux/sandbox_seccomp_bpf_linux.h"
 #include "content/common/set_process_title.h"
 #include "content/public/common/content_switches.h"
+#include "media/gpu/v4l2_device.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
 #include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h"
 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h"
@@ -86,14 +87,6 @@ inline bool IsOzone() {
 #endif
 }
 
-inline bool UseLibV4L2() {
-#if defined(USE_LIBV4L2)
-  return true;
-#else
-  return false;
-#endif
-}
-
 bool IsAcceleratedVaapiVideoEncodeEnabled() {
   bool accelerated_encode_enabled = false;
 #if defined(OS_CHROMEOS)
@@ -345,7 +338,7 @@ void GpuProcessPolicy::InitGpuBrokerProcess(
         BrokerFilePermission::ReadWriteCreateUnlinkRecursive(kDevShm));
   } else if (IsArchitectureArm() || IsOzone()){
     AddV4L2GpuWhitelist(&permissions);
-    if (UseLibV4L2()) {
+    if (media::V4L2Device::IsUsingLibV4L2()) {
       dlopen("/usr/lib/libv4l2.so", RTLD_NOW|RTLD_GLOBAL|RTLD_NODELETE);
       // This is a device-specific encoder plugin.
       dlopen("/usr/lib/libv4l/plugins/libv4l-encplugin.so",