[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/modules/canvas2d/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 "modules/canvas2d/ClipList.h"
 #include "platform/fonts/Font.h"
@@ skipping 70 matching lines @@
     void setUnparsedFont(const String& font) { m_unparsedFont = font; }
     const String& unparsedFont() const { return m_unparsedFont; }
 
     void setFilter(PassRefPtrWillBeRawPtr<CSSValue>);
     void setUnparsedFilter(const String& filterString) { m_unparsedFilter = filterString; }
     const String& unparsedFilter() const { return m_unparsedFilter; }
     SkImageFilter* getFilter(Element*, const Font&) const;
     bool hasFilter() const { return m_filterValue; }
 
     void setStrokeStyle(CanvasStyle*);
-    CanvasStyle* strokeStyle() const { return m_strokeStyle.get(); }
+    CanvasStyle* strokeStyle() const;
 
     void setFillStyle(CanvasStyle*);
-    CanvasStyle* fillStyle() const { return m_fillStyle.get(); }
+    CanvasStyle* fillStyle() const;
 
     CanvasStyle* style(PaintType) const;
 
     enum Direction {
         DirectionInherit,
         DirectionRTL,
         DirectionLTR
     };
 
     void setDirection(Direction direction) { m_direction = direction; }
@@ skipping 118 matching lines @@
 
     bool m_imageSmoothingEnabled;
     SkFilterQuality m_imageSmoothingQuality;
 
     ClipList m_clipList;
 };
 
 } // blink
 
 #endif