Changed EPosition to an enum class and renamed its members

third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp

 // Copyright 2014 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 "core/paint/PaintLayerPainter.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutView.h"
 #include "core/paint/ClipPathClipper.h"
 #include "core/paint/FilterPainter.h"
@@ skipping 623 matching lines @@
                                           fragment.backgroundRect.rect(),
                                           newOffsetFromRoot))
       return true;
   }
   return false;
 }
 
 inline bool PaintLayerPainter::isFixedPositionObjectInPagedMedia() {
   LayoutObject* object = m_paintLayer.layoutObject();
   LayoutView* view = object->view();
-  return object->styleRef().position() == FixedPosition &&
+  return object->styleRef().position() == EPosition::kFixed &&
          object->container() == view && view->pageLogicalHeight() &&
          // TODO(crbug.com/619094): Figure out the correct behaviour for fixed
          // position objects in paged media with vertical writing modes.
          view->isHorizontalWritingMode();
 }
 
 void PaintLayerPainter::repeatFixedPositionObjectInPages(
     const PaintLayerFragment& singleFragmentIgnoredPagination,
     const PaintLayerPaintingInfo& paintingInfo,
     PaintLayerFragments& layerFragments) {
@@ skipping 545 matching lines @@
           context, layoutObject, PaintPhaseClippingMask))
     return;
 
   IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect());
   LayoutObjectDrawingRecorder drawingRecorder(
       context, layoutObject, PaintPhaseClippingMask, snappedClipRect);
   context.fillRect(snappedClipRect, Color::black);
 }
 
 }  // namespace blink