Introduce ThreadedInputConnection behind a switch

content/browser/renderer_host/ime_adapter_android.cc

Index: content/browser/renderer_host/ime_adapter_android.cc
diff --git a/content/browser/renderer_host/ime_adapter_android.cc b/content/browser/renderer_host/ime_adapter_android.cc
index 88b1e126bfdefb043d1a73c0e26e499bbb9b49f0..57f243715bd8ec54031cb5121f3edf862650b878 100644
--- a/content/browser/renderer_host/ime_adapter_android.cc
+++ b/content/browser/renderer_host/ime_adapter_android.cc
@@ -269,6 +269,14 @@ void ImeAdapterAndroid::DeleteSurroundingText(JNIEnv*, jobject,
     rfh->ExtendSelectionAndDelete(before, after);
 }
 
+void ImeAdapterAndroid::RequestTextInputStateUpdate(JNIEnv* env, jobject) {
+  RenderFrameHost* rfh = GetFocusedFrame();
+  if (!rfh)
+    return;
+
+  rfh->Send(new InputMsg_RequestTextInputStateUpdate(rfh->GetRoutingID()));
+}
+
 void ImeAdapterAndroid::ResetImeAdapter(JNIEnv* env, jobject) {
   java_ime_adapter_.reset();
 }