Revert of Add queryForNewLocalDevices to gcdPrivate

chrome/browser/extensions/api/gcd_private/gcd_private_api.cc

Index: chrome/browser/extensions/api/gcd_private/gcd_private_api.cc
diff --git a/chrome/browser/extensions/api/gcd_private/gcd_private_api.cc b/chrome/browser/extensions/api/gcd_private/gcd_private_api.cc
index 87e923184e45b83097b078810493edc12c69af30..08c1abefec5c75677136b0a7f788efb2c674ce37 100644
--- a/chrome/browser/extensions/api/gcd_private/gcd_private_api.cc
+++ b/chrome/browser/extensions/api/gcd_private/gcd_private_api.cc
@@ -154,15 +154,6 @@
   known_devices_.clear();
 }
 
-bool GcdPrivateAPI::QueryForDevices() {
-  if (!privet_device_lister_)
-    return false;
-
-  privet_device_lister_->DiscoverNewDevices(true);
-
-  return true;
-}
-
 // static
 void GcdPrivateAPI::SetGCDApiFlowFactoryForTests(
     GCDApiFlowFactoryForTests* factory) {
@@ -244,29 +235,6 @@
   Release();
 }
 
-GcdPrivateQueryForNewLocalDevicesFunction::
-    GcdPrivateQueryForNewLocalDevicesFunction() {
-}
-
-GcdPrivateQueryForNewLocalDevicesFunction::
-    ~GcdPrivateQueryForNewLocalDevicesFunction() {
-}
-
-bool GcdPrivateQueryForNewLocalDevicesFunction::RunSync() {
-  GcdPrivateAPI* gcd_api =
-      BrowserContextKeyedAPIFactory<GcdPrivateAPI>::Get(GetProfile());
-
-  if (!gcd_api)
-    return false;
-
-  if (!gcd_api->QueryForDevices()) {
-    error_ = "You must first subscribe to onDeviceStateChanged notifications";
-    return false;
-  }
-
-  return true;
-}
-
 GcdPrivateStartSetupFunction::GcdPrivateStartSetupFunction() {
 }