Revert "Introduce ViewRoot forwarding input/view events to native"

ui/android/window_android.cc

Index: ui/android/window_android.cc
diff --git a/ui/android/window_android.cc b/ui/android/window_android.cc
index 9e552a82403bf869cff1659a32a2e7022b67095c..8a0c8c368ff47df37ddff87326fe0b8819359655 100644
--- a/ui/android/window_android.cc
+++ b/ui/android/window_android.cc
@@ -244,12 +244,6 @@ void WindowAndroid::OnActivityStarted(JNIEnv* env,
     observer.OnActivityStarted();
 }
 
-ScopedJavaLocalRef<jobject> WindowAndroid::GetViewRootForJava(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& obj) {
-  return GetViewRoot();
-}
-
 bool WindowAndroid::HasPermission(const std::string& permission) {
   JNIEnv* env = AttachCurrentThread();
   return Java_WindowAndroid_hasPermission(