Implement CSS: scroll-boundary-behavior

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef GraphicsLayer_h
 #define GraphicsLayer_h
 
+#include <memory>
 #include "cc/layers/layer_client.h"
 #include "platform/PlatformExport.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/CompositorElementId.h"
 #include "platform/graphics/ContentLayerDelegate.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayerClient.h"
 #include "platform/graphics/GraphicsLayerDebugInfo.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "platform/graphics/PaintInvalidationReason.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/heap/Handle.h"
 #include "platform/transforms/TransformationMatrix.h"
 #include "public/platform/WebContentLayer.h"
 #include "public/platform/WebImageLayer.h"
 #include "public/platform/WebLayerStickyPositionConstraint.h"
+#include "public/platform/WebScrollBoundaryBehavior.h"
 #include "third_party/skia/include/core/SkFilterQuality.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 class CompositorFilterOperations;
 class Image;
 class JSONObject;
 class LinkHighlight;
 class PaintController;
 struct RasterInvalidationTracking;
 class ScrollableArea;
@@ skipping 204 matching lines @@
   ContentLayerDelegate* contentLayerDelegateForTesting() const {
     return m_contentLayerDelegate.get();
   }
 
   // DisplayItemClient methods
   String debugName() const final { return m_client->debugName(this); }
   LayoutRect visualRect() const override;
 
   void setHasWillChangeTransformHint(bool);
 
+  void setScrollBoundaryBehavior(WebScrollBoundaryBehavior);
+
  protected:
   String debugName(cc::Layer*) const;
   bool shouldFlattenTransform() const { return m_shouldFlattenTransform; }
 
   explicit GraphicsLayer(GraphicsLayerClient*);
   // for testing
   friend class CompositedLayerMappingTest;
   friend class PaintControllerPaintTestBase;
 
  private:
@@ skipping 105 matching lines @@
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif  // GraphicsLayer_h