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

Source/core/html/canvas/WebGLTexture.h

 /*
  * Copyright (C) 2009 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 
 class WebGLTexture FINAL : public WebGLSharedObject, public ScriptWrappable {
 public:
     enum TextureExtensionFlag {
         NoTextureExtensionEnabled = 0,
         TextureFloatLinearExtensionEnabled = 1 << 0,
         TextureHalfFloatLinearExtensionEnabled = 1 << 1
     };
     virtual ~WebGLTexture();
 
-    static PassRefPtr<WebGLTexture> create(WebGLRenderingContextBase*);
+    static PassRefPtrWillBeRawPtr<WebGLTexture> create(WebGLRenderingContextBase*);
 
     void setTarget(GLenum target, GLint maxLevel);
     void setParameteri(GLenum pname, GLint param);
     void setParameterf(GLenum pname, GLfloat param);
 
     GLenum getTarget() const { return m_target; }
 
     int getMinFilter() const { return m_minFilter; }
 
     void setLevelInfo(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLenum type);
@@ skipping 13 matching lines @@
 
     bool isNPOT() const;
     // Determine if texture sampling should always return [0, 0, 0, 1] (OpenGL ES 2.0 Sec 3.8.2).
     bool needToUseBlackTexture(TextureExtensionFlag) const;
 
     bool hasEverBeenBound() const { return object() && m_target; }
 
     static GLint computeLevelCount(GLsizei width, GLsizei height);
 
 protected:
-    WebGLTexture(WebGLRenderingContextBase*);
+    explicit WebGLTexture(WebGLRenderingContextBase*);
 
     virtual void deleteObjectImpl(blink::WebGraphicsContext3D*, Platform3DObject) OVERRIDE;
 
 private:
     class LevelInfo {
     public:
         LevelInfo()
             : valid(false)
             , internalFormat(0)
             , width(0)
@@ skipping 39 matching lines @@
     bool m_isCubeComplete;
     bool m_isComplete;
     bool m_needToUseBlackTexture;
     bool m_isFloatType;
     bool m_isHalfFloatType;
 };
 
 } // namespace WebCore
 
 #endif // WebGLTexture_h