Revert of Host-side implementation of ARC Intent handler

components/arc/arc_bridge_service.cc

Index: components/arc/arc_bridge_service.cc
diff --git a/components/arc/arc_bridge_service.cc b/components/arc/arc_bridge_service.cc
index d3448c515faef55fe3c529c321f4c617c05a62b2..cbb8bde97c2481248725325287e778c39ccdde9d 100644
--- a/components/arc/arc_bridge_service.cc
+++ b/components/arc/arc_bridge_service.cc
@@ -175,32 +175,6 @@
 
   input_ptr_.reset();
   FOR_EACH_OBSERVER(Observer, observer_list(), OnInputInstanceClosed());
-}
-
-void ArcBridgeService::OnIntentHelperInstanceReady(
-    IntentHelperInstancePtr intent_helper_ptr) {
-  DCHECK(CalledOnValidThread());
-  temporary_intent_helper_ptr_ = std::move(intent_helper_ptr);
-  temporary_intent_helper_ptr_.QueryVersion(
-      base::Bind(&ArcBridgeService::OnIntentHelperVersionReady,
-                 weak_factory_.GetWeakPtr()));
-}
-
-void ArcBridgeService::OnIntentHelperVersionReady(int32_t version) {
-  DCHECK(CalledOnValidThread());
-  intent_helper_ptr_ = std::move(temporary_intent_helper_ptr_);
-  intent_helper_ptr_.set_connection_error_handler(base::Bind(
-      &ArcBridgeService::CloseIntentHelperChannel, weak_factory_.GetWeakPtr()));
-  FOR_EACH_OBSERVER(Observer, observer_list(), OnIntentHelperInstanceReady());
-}
-
-void ArcBridgeService::CloseIntentHelperChannel() {
-  DCHECK(CalledOnValidThread());
-  if (!intent_helper_ptr_)
-    return;
-
-  intent_helper_ptr_.reset();
-  FOR_EACH_OBSERVER(Observer, observer_list(), OnIntentHelperInstanceClosed());
 }
 
 void ArcBridgeService::OnNotificationsInstanceReady(
@@ -354,7 +328,6 @@
   CloseClipboardChannel();
   CloseImeChannel();
   CloseInputChannel();
-  CloseIntentHelperChannel();
   CloseNotificationsChannel();
   ClosePowerChannel();
   CloseProcessChannel();