Add EventForwarder for routing touch events

ui/android/view_client.cc

Index: ui/android/view_client.cc
diff --git a/ui/android/view_client.cc b/ui/android/view_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a5d83c63d96e94b24e1722b25a0c9d42c30560b8
--- /dev/null
+++ b/ui/android/view_client.cc
@@ -0,0 +1,18 @@
+// 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_client.h"
+
+namespace ui {
+
+bool ViewClient::OnTouchEvent(const MotionEventAndroid& event,
+                              bool is_touch_handle_event) {
+  return false;
+}
+bool ViewClient::OnMouseEvent(const MotionEventAndroid& event,

[boliu, 2017/02/27 19:21:57]

nit: empty line above

[Jinsuk Kim, 2017/02/28 06:56:04]

Done.

+                              int action_button) {
+  return false;
+}
+
+}  // namespace ui