Move middle-click autoscroll to synthetic fling.

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
@@ skipping 2334 matching lines @@
            !ToLayoutBox(layout_object)->CanBeScrolledAndHasScrollableArea())) {
         if (layout_object->GetNode() &&
             layout_object->GetNode()->IsDocumentNode()) {
           Element* owner = ToDocument(layout_object->GetNode())->LocalOwner();
           layout_object = owner ? owner->GetLayoutObject() : nullptr;
         } else {
           layout_object = layout_object->Parent();
         }
       }
       if (layout_object) {
-        if (LocalFrame* frame = GetDocument().GetFrame())
+        if (LocalFrame* frame = GetDocument().GetFrame()) {

[bokan, 2017/06/15 17:40:12]

Nit: no braces

[aelias_OOO_until_Jul13, 2017/06/15 22:19:54]

Done.

           frame->GetEventHandler().StartMiddleClickAutoscroll(layout_object);
+        }
       }
     }
   } else if (event->type() == EventTypeNames::webkitEditableContentChanged) {
     // TODO(chongz): Remove after shipped.
     // New InputEvent are dispatched in Editor::appliedEditing, etc.
     if (!RuntimeEnabledFeatures::InputEventEnabled())
       DispatchInputEvent();
   }
 }
 
@@ skipping 291 matching lines @@
   if (node) {
     std::stringstream stream;
     node->PrintNodePathTo(stream);
     LOG(INFO) << stream.str();
   } else {
     LOG(INFO) << "Cannot showNodePath for <null>";
   }
 }
 
 #endif