Provide GpuPreferences to content gpu client hook

content/gpu/gpu_child_thread.cc

Index: content/gpu/gpu_child_thread.cc
diff --git a/content/gpu/gpu_child_thread.cc b/content/gpu/gpu_child_thread.cc
index 4a91da8f6c69838e2aa66ab7ab8418b37d13b836..790f18f7f59c7831b1d9ab13adcb2caeb79053c0 100644
--- a/content/gpu/gpu_child_thread.cc
+++ b/content/gpu/gpu_child_thread.cc
@@ -223,9 +223,6 @@ void GpuChildThread::Init(const base::Time& process_start_time) {
   // will be destroyed before GpuChildThread is destructed.
   service_registry()->AddService(base::Bind(
       &GpuChildThread::BindProcessControlRequest, base::Unretained(this)));
-
-  if (GetContentClient()->gpu())  // NULL in tests.
-    GetContentClient()->gpu()->RegisterMojoServices(service_registry());
 }
 
 bool GpuChildThread::Send(IPC::Message* msg) {
@@ -392,6 +389,10 @@ void GpuChildThread::OnInitialize(const gpu::GpuPreferences& gpu_preferences) {
 
   media_service_.reset(new MediaService(gpu_channel_manager_.get()));
 
+  if (GetContentClient()->gpu())  // NULL in tests.
+    GetContentClient()->gpu()->RegisterMojoServices(service_registry(),
+                                                    gpu_preferences_);
+
 #if defined(USE_OZONE)
   ui::OzonePlatform::GetInstance()
       ->GetGpuPlatformSupport()