Always use arc::InstanceHolder<T>::GetInstanceForMethod

components/arc/clipboard/arc_clipboard_bridge.cc

Index: components/arc/clipboard/arc_clipboard_bridge.cc
diff --git a/components/arc/clipboard/arc_clipboard_bridge.cc b/components/arc/clipboard/arc_clipboard_bridge.cc
index 2a6d735d5551111784869cd12884699cc3e506c8..536573261a5c5af870dc7c0e15c2ff713ee91501 100644
--- a/components/arc/clipboard/arc_clipboard_bridge.cc
+++ b/components/arc/clipboard/arc_clipboard_bridge.cc
@@ -39,12 +39,9 @@ ArcClipboardBridge::~ArcClipboardBridge() {
 
 void ArcClipboardBridge::OnInstanceReady() {
   mojom::ClipboardInstance* clipboard_instance =
-      arc_bridge_service()->clipboard()->instance();
-  if (!clipboard_instance) {
-    LOG(ERROR) << "OnClipboardInstanceReady called, "
-               << "but no clipboard instance found";
+      arc_bridge_service()->clipboard()->GetInstanceForMethod("Init");
+  if (!clipboard_instance)
     return;
-  }
   clipboard_instance->Init(binding_.CreateInterfacePtrAndBind());
 }
 
@@ -62,7 +59,10 @@ void ArcClipboardBridge::GetTextContent() {
   clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &text);
 
   mojom::ClipboardInstance* clipboard_instance =
-      arc_bridge_service()->clipboard()->instance();
+      arc_bridge_service()->clipboard()->GetInstanceForMethod(
+          "OnGetTextContent");
+  if (!clipboard_instance)
+    return;
   clipboard_instance->OnGetTextContent(ConvertString16ToMojoString(text));
 }