Remove linux x86 from HW video decode black list

content/common/gpu/media/gpu_video_decode_accelerator.cc

Index: content/common/gpu/media/gpu_video_decode_accelerator.cc
diff --git a/content/common/gpu/media/gpu_video_decode_accelerator.cc b/content/common/gpu/media/gpu_video_decode_accelerator.cc
index 1680c9c31217738394dfd1f1f8eb0b710902724c..f26049a30802355c2505bf7e9a8f419920859e82 100644
--- a/content/common/gpu/media/gpu_video_decode_accelerator.cc
+++ b/content/common/gpu/media/gpu_video_decode_accelerator.cc
@@ -28,7 +28,7 @@
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 #include "content/common/gpu/media/v4l2_video_decode_accelerator.h"
 #include "content/common/gpu/media/v4l2_video_device.h"
-#elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+#elif defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
 #include "ui/gl/gl_context_glx.h"
 #include "ui/gl/gl_implementation.h"
@@ -264,7 +264,7 @@ void GpuVideoDecodeAccelerator::Initialize(
                                      make_context_current_,
                                      device.Pass(),
                                      io_message_loop_));
-#elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
+#elif defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
   if (gfx::GetGLImplementation() != gfx::kGLImplementationDesktopGL) {
     VLOG(1) << "HW video decode acceleration not available without "
                "DesktopGL (GLX).";