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

ui/android/window_android.h

Index: ui/android/window_android.h
diff --git a/ui/android/window_android.h b/ui/android/window_android.h
index 61c83c14ac497c8f89c3df218441e5e35e332a1a..7219c0ac73fa1c185f701323a07f79fd0115cce6 100644
--- a/ui/android/window_android.h
+++ b/ui/android/window_android.h
@@ -74,8 +74,6 @@ class UI_ANDROID_EXPORT WindowAndroid : public ViewAndroid {
                          const base::android::JavaParamRef<jobject>& obj);
   void OnActivityStarted(JNIEnv* env,
                          const base::android::JavaParamRef<jobject>& obj);
-  base::android::ScopedJavaLocalRef<jobject> GetViewRootForJava(JNIEnv* env,
-      const base::android::JavaParamRef<jobject>& obj);
 
   // Return whether the specified Android permission is granted.
   bool HasPermission(const std::string& permission);