Use correct scale factor value to scale drag image

third_party/WebKit/Source/core/frame/LocalFrame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 91 matching lines @@
     STACK_ALLOCATED();
 public:
     DragImageBuilder(const LocalFrame* localFrame, const FloatRect& bounds, Node* draggedNode, float opacity = 1)
         : m_localFrame(localFrame)
         , m_draggedNode(draggedNode)
         , m_bounds(bounds)
         , m_opacity(opacity)
     {
         if (m_draggedNode && m_draggedNode->layoutObject())
             m_draggedNode->layoutObject()->updateDragState(true);
-        float deviceScaleFactor = m_localFrame->host()->chromeClient().screenInfo().deviceScaleFactor;
-
+        // TODO(oshima): Remove this when all platforms are migrated to use-zoom-for-dsf.
+        float deviceScaleFactor = m_localFrame->host()->deviceScaleFactorDeprecated();
         m_bounds.setWidth(m_bounds.width() * deviceScaleFactor);
         m_bounds.setHeight(m_bounds.height() * deviceScaleFactor);
         m_pictureBuilder = adoptPtr(new SkPictureBuilder(SkRect::MakeIWH(m_bounds.width(), m_bounds.height())));
 
         AffineTransform transform;
         transform.scale(deviceScaleFactor, deviceScaleFactor);
         transform.translate(-m_bounds.x(), -m_bounds.y());
         context().getPaintController().createAndAppend<BeginTransformDisplayItem>(*m_pictureBuilder, transform);
     }
 
@@ skipping 693 matching lines @@
         m_frame->client()->frameBlameContext()->Enter();
 }
 
 ScopedFrameBlamer::~ScopedFrameBlamer()
 {
     if (m_frame && m_frame->client() && m_frame->client()->frameBlameContext())
         m_frame->client()->frameBlameContext()->Leave();
 }
 
 } // namespace blink