Fix HidService lifetime issues.

chrome/browser/extensions/api/chrome_extensions_api_client.cc

Index: chrome/browser/extensions/api/chrome_extensions_api_client.cc
diff --git a/chrome/browser/extensions/api/chrome_extensions_api_client.cc b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
index c15c1df7aab1490e6ff4690c7f0c3369f742dc75..a59cac4ef47357731239c4d35606206cd9bc1a6b 100644
--- a/chrome/browser/extensions/api/chrome_extensions_api_client.cc
+++ b/chrome/browser/extensions/api/chrome_extensions_api_client.cc
@@ -12,7 +12,6 @@
 #include "chrome/browser/guest_view/web_view/chrome_web_view_permission_helper_delegate.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
-#include "device/hid/hid_service.h"
 #include "extensions/browser/guest_view/app_view/app_view_guest.h"
 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
@@ -80,15 +79,6 @@ WebViewPermissionHelperDelegate* ChromeExtensionsAPIClient::
   return new ChromeWebViewPermissionHelperDelegate(web_view_permission_helper);
 }
 
-device::HidService* ChromeExtensionsAPIClient::GetHidService() {
-  if (!hid_service_) {
-    hid_service_.reset(device::HidService::Create(
-        content::BrowserThread::GetMessageLoopProxyForThread(
-            content::BrowserThread::UI)));
-  }
-  return hid_service_.get();
-}
-
 void ChromeExtensionsAPIClient::RegisterGuestViewTypes() {
   ExtensionOptionsGuest::Register();
 }