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

Source/core/html/canvas/WebGLUniformLocation.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. 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 16 matching lines @@
 #ifndef WebGLUniformLocation_h
 #define WebGLUniformLocation_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/html/canvas/WebGLProgram.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
-class WebGLUniformLocation FINAL : public RefCounted<WebGLUniformLocation>, public ScriptWrappable {
+class WebGLUniformLocation FINAL : public RefCountedWillBeGarbageCollected<WebGLUniformLocation>, public ScriptWrappable {
 public:
-    static PassRefPtr<WebGLUniformLocation> create(WebGLProgram*, GLint location);
+    static PassRefPtrWillBeRawPtr<WebGLUniformLocation> create(WebGLProgram*, GLint location);
 
     WebGLProgram* program() const;
 
     GLint location() const;
 
+    void trace(Visitor*);
+
 protected:
     WebGLUniformLocation(WebGLProgram*, GLint location);
 
 private:
-    RefPtr<WebGLProgram> m_program;
+    RefPtrWillBeMember<WebGLProgram> m_program;
     GLint m_location;
     unsigned m_linkCount;
 };
 
 } // namespace blink
 
 #endif // WebGLUniformLocation_h