Remove content::BrowserThread knowledge from Device Sensors

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 088b7196b9c210ff5c5e93333b1da9907e15ca4c..1bc2ee53d952dd5e85fed19b0b6b33bb72f5051c 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1280,10 +1280,14 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
 #endif
 
   // These callbacks will be run immediately on the IO thread.
-  registry->AddInterface(base::Bind(&DeviceLightHost::Create));
-  registry->AddInterface(base::Bind(&DeviceMotionHost::Create));
-  registry->AddInterface(base::Bind(&DeviceOrientationHost::Create));
-  registry->AddInterface(base::Bind(&DeviceOrientationAbsoluteHost::Create));
+  scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::UI);
+  registry->AddInterface(base::Bind(&DeviceLightHost::Create, ui_task_runner));
+  registry->AddInterface(base::Bind(&DeviceMotionHost::Create, ui_task_runner));
+  registry->AddInterface(
+      base::Bind(&DeviceOrientationHost::Create, ui_task_runner));
+  registry->AddInterface(
+      base::Bind(&DeviceOrientationAbsoluteHost::Create, ui_task_runner));
   registry->AddInterface(
       base::Bind(&URLLoaderFactoryImpl::Create, resource_message_filter_));