Remove additional protection of kDisableAcceleratedVideoDecode in bpf_gpu_policy_linux.cc.

media/filters/gpu_video_decoder.cc

Index: media/filters/gpu_video_decoder.cc
diff --git a/media/filters/gpu_video_decoder.cc b/media/filters/gpu_video_decoder.cc
index 54845214bb138195a69ba075b5582318230d2f2f..ba01671913f751f4aa37956c5c0ede085c1bed5d 100644
--- a/media/filters/gpu_video_decoder.cc
+++ b/media/filters/gpu_video_decoder.cc
@@ -154,7 +154,8 @@ void GpuVideoDecoder::Initialize(const VideoDecoderConfig& config,
                  BindToCurrentLoop(orig_status_cb));
 
   bool previously_initialized = config_.IsValidConfig();
-#if !defined(OS_CHROMEOS) && !defined(OS_WIN)
+#if !defined(OS_CHROMEOS) && !defined(OS_WIN) && \
+    !(defined(OS_LINUX) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11))
   if (previously_initialized) {
     // TODO(xhwang): Make GpuVideoDecoder reinitializable.
     // See http://crbug.com/233608