Revert "ViewRoot class for event forwarding on Android"

ui/android/view_root.cc

Index: ui/android/view_root.cc
diff --git a/ui/android/view_root.cc b/ui/android/view_root.cc
deleted file mode 100644
index 1a1f977b1f115884f743b8886c146de33f38f1ec..0000000000000000000000000000000000000000
--- a/ui/android/view_root.cc
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/android/view_root.h"
-
-#include "jni/ViewRoot_jni.h"
-
-namespace ui {
-
-using base::android::JavaParamRef;
-
-ViewRoot::ViewRoot(jlong window_android_ptr) {
-  WindowAndroid* window_android =
-          reinterpret_cast<WindowAndroid*>(window_android_ptr);
-  window_ = window_android;
-
-  // ViewRoot simply accepts all events and lets the hit testing
-  // start from its children.
-  SetLayout(0, 0, 0, 0, true);
-}
-
-ViewAndroid* ViewRoot::GetViewRoot() {
-  return this;
-}
-
-WindowAndroid* ViewRoot::GetWindowAndroid() const {
-  return window_;
-}
-
-void ViewRoot::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
-  delete this;
-}
-
-jboolean ViewRoot::OnTouchEvent(JNIEnv* env,
-                                const JavaParamRef<jobject>& obj,
-                                const JavaParamRef<jobject>& motion_event,
-                                jlong time_ms,
-                                jint android_action,
-                                jint pointer_count,
-                                jint history_size,
-                                jint action_index,
-                                jfloat pos_x_0,
-                                jfloat pos_y_0,
-                                jfloat pos_x_1,
-                                jfloat pos_y_1,
-                                jint pointer_id_0,
-                                jint pointer_id_1,
-                                jfloat touch_major_0,
-                                jfloat touch_major_1,
-                                jfloat touch_minor_0,
-                                jfloat touch_minor_1,
-                                jfloat orientation_0,
-                                jfloat orientation_1,
-                                jfloat tilt_0,
-                                jfloat tilt_1,
-                                jfloat raw_pos_x,
-                                jfloat raw_pos_y,
-                                jint android_tool_type_0,
-                                jint android_tool_type_1,
-                                jint android_button_state,
-                                jint android_meta_state,
-                                jboolean is_touch_handle_event) {
-  MotionEventData event(GetDipScale(),
-                        motion_event.obj(),
-                        time_ms,
-                        android_action,
-                        pointer_count,
-                        history_size,
-                        action_index,
-                        pos_x_0,
-                        pos_y_0,
-                        pos_x_1,
-                        pos_y_1,
-                        pointer_id_0,
-                        pointer_id_1,
-                        touch_major_0,
-                        touch_major_1,
-                        touch_minor_0,
-                        touch_minor_1,
-                        orientation_0,
-                        orientation_1,
-                        tilt_0,
-                        tilt_1,
-                        raw_pos_x,
-                        raw_pos_y,
-                        android_tool_type_0,
-                        android_tool_type_1,
-                        android_button_state,
-                        android_meta_state,
-                        is_touch_handle_event);
-  return OnTouchEventInternal(event);
-}
-
-// static
-jlong Init(JNIEnv* env,
-           const JavaParamRef<jobject>& obj,
-           jlong window_android_ptr) {
-  return reinterpret_cast<intptr_t>(new ViewRoot(window_android_ptr));
-}
-
-bool RegisterViewRoot(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace ui