Oilpan: fix build after r197039.

Source/core/html/canvas/CanvasRenderingContext2DState.h

 // Copyright 2015 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 CanvasRenderingContext2DState_h
 #define CanvasRenderingContext2DState_h
 
 #include "core/css/CSSFontSelectorClient.h"
 #include "core/html/canvas/ClipList.h"
 #include "platform/fonts/Font.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class CanvasStyle;
 
-class CanvasRenderingContext2DState final : public CSSFontSelectorClient {
+class CanvasRenderingContext2DState final : public NoBaseWillBeGarbageCollectedFinalized<CanvasRenderingContext2DState>, public CSSFontSelectorClient {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(CanvasRenderingContext2DState);
 public:
-    CanvasRenderingContext2DState();
+    static PassOwnPtrWillBeRawPtr<CanvasRenderingContext2DState> create()
+    {
+        return adoptPtrWillBeNoop(new CanvasRenderingContext2DState);
+    }
+
     virtual ~CanvasRenderingContext2DState();
 
     DECLARE_VIRTUAL_TRACE();
 
     enum ClipListCopyMode {
         CopyClipList,
         DontCopyClipList
     };
 
     enum PaintType {
         FillPaintType,
         StrokePaintType,
         ImagePaintType,
     };
 
-    CanvasRenderingContext2DState(const CanvasRenderingContext2DState&, ClipListCopyMode = CopyClipList);
+    static PassOwnPtrWillBeRawPtr<CanvasRenderingContext2DState> create(const CanvasRenderingContext2DState& other, ClipListCopyMode mode)
+    {
+        return adoptPtrWillBeNoop(new CanvasRenderingContext2DState(other, mode));
+    }
     CanvasRenderingContext2DState& operator=(const CanvasRenderingContext2DState&);
 
     // CSSFontSelectorClient implementation
     virtual void fontsNeedUpdate(CSSFontSelector*) override;
 
     bool hasUnrealizedSaves() const { return m_unrealizedSaveCount; }
     void save() { ++m_unrealizedSaveCount; }
     void restore() { --m_unrealizedSaveCount; }
     void resetUnrealizedSaveCount() { m_unrealizedSaveCount = 0; }
 
@@ skipping 88 matching lines @@
     enum ImageType {
         NoImage,
         OpaqueImage,
         NonOpaqueImage
     };
 
     // If paint will not be used for painting a bitmap, set bitmapOpacity to Opaque
     const SkPaint* getPaint(PaintType, ShadowMode, ImageType = NoImage) const;
 
 private:
+    CanvasRenderingContext2DState();
+    CanvasRenderingContext2DState(const CanvasRenderingContext2DState&, ClipListCopyMode = CopyClipList);
+
     void updateLineDash() const;
     void updateStrokeStyle() const;
     void updateFillStyle() const;
     void shadowParameterChanged();
     SkDrawLooper* emptyDrawLooper() const;
     SkDrawLooper* shadowOnlyDrawLooper() const;
     SkDrawLooper* shadowAndForegroundDrawLooper() const;
     SkImageFilter* shadowOnlyImageFilter() const;
     SkImageFilter* shadowAndForegroundImageFilter() const;
 
@@ skipping 37 matching lines @@
     mutable bool m_fillStyleDirty : 1;
     mutable bool m_strokeStyleDirty : 1;
     mutable bool m_lineDashDirty : 1;
 
     ClipList m_clipList;
 };
 
 } // blink
 
 #endif