Privatize StrongBinding lifetime management

content/browser/device_sensors/device_sensor_host.cc

Index: content/browser/device_sensors/device_sensor_host.cc
diff --git a/content/browser/device_sensors/device_sensor_host.cc b/content/browser/device_sensors/device_sensor_host.cc
index 4ece1b12dea3d137ecc94c11b0661e61e689eb61..e4b806967e5c16aac8448233141f422249d19874 100644
--- a/content/browser/device_sensors/device_sensor_host.cc
+++ b/content/browser/device_sensors/device_sensor_host.cc
@@ -6,19 +6,21 @@
 
 #include "content/browser/device_sensors/device_sensor_service.h"
 #include "content/public/browser/browser_thread.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
 
 namespace content {
 
 template <typename MojoInterface, ConsumerType consumer_type>
 void DeviceSensorHost<MojoInterface, consumer_type>::Create(
     mojo::InterfaceRequest<MojoInterface> request) {
-  new DeviceSensorHost(std::move(request));
+  mojo::MakeStrongBinding(
+      base::WrapUnique(new DeviceSensorHost<MojoInterface, consumer_type>),
+      std::move(request));
 }
 
 template <typename MojoInterface, ConsumerType consumer_type>
-DeviceSensorHost<MojoInterface, consumer_type>::DeviceSensorHost(
-    mojo::InterfaceRequest<MojoInterface> request)
-    : is_started_(false), binding_(this, std::move(request)) {
+DeviceSensorHost<MojoInterface, consumer_type>::DeviceSensorHost()
+    : is_started_(false) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 }