Manage HidService lifetime in DeviceClient implementations.

chrome/browser/chrome_device_client.cc

Index: chrome/browser/chrome_device_client.cc
diff --git a/chrome/browser/chrome_device_client.cc b/chrome/browser/chrome_device_client.cc
index 0926a1fe9c57151533959b34a7bed99417618a87..e3ffbe733fde7195a53df9d4a155bced8a3def90 100644
--- a/chrome/browser/chrome_device_client.cc
+++ b/chrome/browser/chrome_device_client.cc
@@ -26,6 +26,9 @@ device::UsbService* ChromeDeviceClient::GetUsbService() {
 
 device::HidService* ChromeDeviceClient::GetHidService() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return device::HidService::GetInstance(
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
+  if (!hid_service_) {
+    hid_service_ = device::HidService::Create(
+        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
+  }
+  return hid_service_.get();
 }