Fix alignment issue of ContiguousContainer

third_party/WebKit/Source/platform/graphics/paint/ForeignLayerDisplayItem.h

 // Copyright 2016 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.
 
 #ifndef ForeignLayerDisplayItem_h
 #define ForeignLayerDisplayItem_h
 
 #include "base/memory/ref_counted.h"
 #include "platform/PlatformExport.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/paint/DisplayItem.h"
 
 namespace cc {
 class Layer;
 }
 
 namespace blink {
 
 class GraphicsContext;
 class WebLayer;
 
 // Represents foreign content (produced outside Blink) which draws to a layer.
 // A client supplies a layer which can be unwrapped and inserted into the full
 // layer tree.
 //
 // Before SPv2, this content is not painted, but is instead inserted into the
 // GraphicsLayer tree.
-class PLATFORM_EXPORT ForeignLayerDisplayItem final : public DisplayItem {
+class PLATFORM_EXPORT ForeignLayerDisplayItem final : public DisplayItemBase<ForeignLayerDisplayItem> {
 public:
     ForeignLayerDisplayItem(
         const DisplayItemClient&, Type,
         scoped_refptr<cc::Layer>,
         const FloatPoint& location,
         const IntSize& bounds);
     ~ForeignLayerDisplayItem();
 
     cc::Layer* layer() const { return m_layer.get(); }
     const FloatPoint& location() const { return m_location; }
@@ skipping 18 matching lines @@
 
 // Records a foreign layer into a GraphicsContext.
 // Use this where you would use a recorder class.
 PLATFORM_EXPORT void recordForeignLayer(
     GraphicsContext&, const DisplayItemClient&, DisplayItem::Type,
     WebLayer*, const FloatPoint& location, const IntSize& bounds);
 
 } // namespace blink
 
 #endif // ForeignLayerDisplayItem_h