Hook up ProximityAuthSystem in EasyUnlockService.

chrome/browser/signin/easy_unlock_app_manager.cc

Index: chrome/browser/signin/easy_unlock_app_manager.cc
diff --git a/chrome/browser/signin/easy_unlock_app_manager.cc b/chrome/browser/signin/easy_unlock_app_manager.cc
index 62bdf66948174e1af899c59f64c9f7e712176aa3..9c5c6df1ac7616d167714ab22c611962923e6e8f 100644
--- a/chrome/browser/signin/easy_unlock_app_manager.cc
+++ b/chrome/browser/signin/easy_unlock_app_manager.cc
@@ -90,6 +90,10 @@ void EasyUnlockAppManagerImpl::LaunchSetup() {
 }
 
 void EasyUnlockAppManagerImpl::LoadApp() {

[sacomoto, 2015/09/29 18:45:57]

Please add a TODO here.

[Tim Song, 2015/09/30 00:05:04]

Done.

+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          proximity_auth::switches::kEnableBluetoothLowEnergyDiscovery))
+    return;
+
   ExtensionService* extension_service = extension_system_->extension_service();
   if (!extension_service)
     return;