Forward GenericMotionEvent to EventForwarder

ui/android/view_android.cc

 // Copyright 2016 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_android.h"
 
 #include <algorithm>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 282 matching lines @@
 bool ViewAndroid::SendTouchEventToClient(bool for_touch_handle,
                                          ViewClient* client,
                                          const MotionEventAndroid& event) {
   return client->OnTouchEvent(event, for_touch_handle);
 }
 
 bool ViewAndroid::OnMouseEvent(const MotionEventAndroid& event) {
   return HitTest(base::Bind(&ViewAndroid::SendMouseEventToClient), event);
 }
 
+// static
 bool ViewAndroid::SendMouseEventToClient(ViewClient* client,
                                          const MotionEventAndroid& event) {
   return client->OnMouseEvent(event);
 }
 
+// static
+bool ViewAndroid::OnMouseWheelEvent(const MotionEventAndroid& event) {
+  return HitTest(base::Bind(&ViewAndroid::SendMouseWheelEventToClient), event);
+}
+
+// static
+bool ViewAndroid::SendMouseWheelEventToClient(ViewClient* client,
+                                              const MotionEventAndroid& event) {
+  return client->OnMouseWheelEvent(event);
+}
+
 bool ViewAndroid::HitTest(ViewClientCallback send_to_client,
                           const MotionEventAndroid& event) {
   if (client_ && send_to_client.Run(client_, event))
     return true;
 
   if (!children_.empty()) {
     std::unique_ptr<MotionEventAndroid> e(
         event.Offset(-layout_params_.x, -layout_params_.y));
 
     // Match from back to front for hit testing.
     for (auto* child : base::Reversed(children_)) {
       bool matched = child->layout_params_.match_parent;
       if (!matched) {
         gfx::Rect bound(child->layout_params_.x, child->layout_params_.y,
                         child->layout_params_.width,
                         child->layout_params_.height);
         matched = bound.Contains(e->GetX(0), e->GetY(0));
       }
       if (matched && child->HitTest(send_to_client, *e))
         return true;
     }
   }
   return false;
 }
 
 }  // namespace ui