Move ContentChangeType enum to a separate file, so that WebGLRenderingContextBase.h doesn't need La…

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef LayoutBoxModelObject_h
 #define LayoutBoxModelObject_h
 
 #include "core/CoreExport.h"
 #include "core/layout/BackgroundBleedAvoidance.h"
+#include "core/layout/ContentChangeType.h"
 #include "core/layout/LayoutObject.h"
 #include "core/page/scrolling/StickyPositionScrollingConstraints.h"
 #include "core/style/ShadowData.h"
 #include "platform/geometry/LayoutRect.h"
 
 namespace blink {
 
 class LineLayoutBoxModel;
 class PaintLayer;
 class PaintLayerScrollableArea;
 
 enum PaintLayerType {
     NoPaintLayer,
     NormalPaintLayer,
     // A forced or overflow clip layer is required for bookkeeping purposes,
     // but does not force a layer to be self painting.
     OverflowClipPaintLayer,
     ForcedPaintLayer
 };
 
 // Modes for some of the line-related functions.
 enum LinePositionMode { PositionOnContainingLine, PositionOfInteriorLineBoxes };
 enum LineDirectionMode { HorizontalLine, VerticalLine };
 typedef unsigned BorderEdgeFlags;
 
-enum ContentChangeType {
-    ImageChanged,
-    CanvasChanged,
-    CanvasContextChanged
-};
-
 class InlineFlowBox;
 
 struct LayoutBoxModelObjectRareData {
     WTF_MAKE_NONCOPYABLE(LayoutBoxModelObjectRareData);
     USING_FAST_MALLOC(LayoutBoxModelObjectRareData);
 public:
     LayoutBoxModelObjectRareData() {}
 
     StickyPositionScrollingConstraints m_stickyPositionScrollingConstraints;
 };
@@ skipping 318 matching lines @@
     OwnPtr<PaintLayer> m_layer;
 
     OwnPtr<LayoutBoxModelObjectRareData> m_rareData;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());
 
 } // namespace blink
 
 #endif // LayoutBoxModelObject_h