Enable config change in GVD for all CrOS platforms.

content/renderer/media/webmediaplayer_impl.cc

Index: content/renderer/media/webmediaplayer_impl.cc
diff --git a/content/renderer/media/webmediaplayer_impl.cc b/content/renderer/media/webmediaplayer_impl.cc
index b00c6a04cf9f071a290344fc90214d1d034741bd..de0bf38ea03f3eed4ab5a5a910b957a43e8221f9 100644
--- a/content/renderer/media/webmediaplayer_impl.cc
+++ b/content/renderer/media/webmediaplayer_impl.cc
@@ -1060,8 +1060,8 @@ void WebMediaPlayerImpl::StartPipeline(WebKit::WebMediaSource* media_source) {
         base::Bind(&LogMediaSourceError, media_log_));
     demuxer_.reset(chunk_demuxer_);
 
-#if !defined(OS_CHROMEOS) || !defined(ARCH_CPU_X86_FAMILY)
-    // Disable GpuVideoDecoder creation on platforms other than CrOS x86 until
+#if !defined(OS_CHROMEOS)
+    // Disable GpuVideoDecoder creation on platforms other than CrOS until
     // they support codec config changes.
     // TODO(acolwell): Remove this once http://crbug.com/151045 is fixed.
     gpu_factories_ = NULL;