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

Source/core/html/canvas/WebGLShaderPrecisionFormat.cpp

 /*
  * Copyright (c) 2012, 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:
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/html/canvas/WebGLShaderPrecisionFormat.h"
 
 namespace blink {
 
 // static
-PassRefPtr<WebGLShaderPrecisionFormat> WebGLShaderPrecisionFormat::create(GLint rangeMin, GLint rangeMax, GLint precision)
+PassRefPtrWillBeRawPtr<WebGLShaderPrecisionFormat> WebGLShaderPrecisionFormat::create(GLint rangeMin, GLint rangeMax, GLint precision)
 {
-    return adoptRef(new WebGLShaderPrecisionFormat(rangeMin, rangeMax, precision));
+    return adoptRefWillBeNoop(new WebGLShaderPrecisionFormat(rangeMin, rangeMax, precision));
 }
 
 GLint WebGLShaderPrecisionFormat::rangeMin() const
 {
     return m_rangeMin;
 }
 
 GLint WebGLShaderPrecisionFormat::rangeMax() const
 {
     return m_rangeMax;
 }
 
 GLint WebGLShaderPrecisionFormat::precision() const
 {
     return m_precision;
 }
 
 WebGLShaderPrecisionFormat::WebGLShaderPrecisionFormat(GLint rangeMin, GLint rangeMax, GLint precision)
     : m_rangeMin(rangeMin)
     , m_rangeMax(rangeMax)
     , m_precision(precision)
 {
     ScriptWrappable::init(this);
 }
 
 }