Oilpan: move 2D Canvas and WebGL objects to the heap.

Source/core/html/canvas/Path2D.h

 /*
  * Copyright (C) 2012, 2013 Adobe Systems Incorporated. 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
@@ skipping 14 matching lines @@
  * SUCH DAMAGE.
  */
 
 #ifndef Path2D_h
 #define Path2D_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/html/canvas/CanvasPathMethods.h"
 #include "core/svg/SVGMatrixTearOff.h"
 #include "core/svg/SVGPathUtilities.h"
+#include "platform/heap/Handle.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class Path2D FINAL : public RefCounted<Path2D>, public CanvasPathMethods, public ScriptWrappable {
-    WTF_MAKE_NONCOPYABLE(Path2D); WTF_MAKE_FAST_ALLOCATED;
+class Path2D FINAL : public RefCountedWillBeGarbageCollectedFinalized<Path2D>, public CanvasPathMethods, public ScriptWrappable {
+    WTF_MAKE_NONCOPYABLE(Path2D); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
-    static PassRefPtr<Path2D> create() { return adoptRef(new Path2D); }
-    static PassRefPtr<Path2D> create(const String& pathData) { return adoptRef(new Path2D(pathData)); }
-    static PassRefPtr<Path2D> create(Path2D* path) { return adoptRef(new Path2D(path)); }
+    static PassRefPtrWillBeRawPtr<Path2D> create() { return adoptRefWillBeNoop(new Path2D); }
+    static PassRefPtrWillBeRawPtr<Path2D> create(const String& pathData) { return adoptRefWillBeNoop(new Path2D(pathData)); }
+    static PassRefPtrWillBeRawPtr<Path2D> create(Path2D* path) { return adoptRefWillBeNoop(new Path2D(path)); }
 
-    static PassRefPtr<Path2D> create(const Path& path) { return adoptRef(new Path2D(path)); }
+    static PassRefPtrWillBeRawPtr<Path2D> create(const Path& path) { return adoptRefWillBeNoop(new Path2D(path)); }
 
     const Path& path() const { return m_path; }
 
     void addPath(Path2D* path)
     {
         addPath(path, 0);
     }
 
     void addPath(Path2D* path, SVGMatrixTearOff* transform)
     {
         Path src = path->path();
         m_path.addPath(src, transform ? transform->value() : AffineTransform(1, 0, 0, 1, 0, 0));
     }
+
     virtual ~Path2D() { }
+    void trace(Visitor*) { }
+
 private:
     Path2D() : CanvasPathMethods()
     {
         ScriptWrappable::init(this);
     }
 
     Path2D(const Path& path)
         : CanvasPathMethods(path)
     {
         ScriptWrappable::init(this);
     }
 
     Path2D(Path2D* path)
         : CanvasPathMethods(path->path())
     {
         ScriptWrappable::init(this);
     }
 
     Path2D(const String& pathData)
         : CanvasPathMethods()
     {
         ScriptWrappable::init(this);
         buildPathFromString(pathData, m_path);
     }
 };
 
 }
 #endif