Revert of Remove create/delete methods from WebGraphicsContext3D.

third_party/WebKit/Source/modules/webgl/WebGLFramebuffer.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 46 matching lines @@
         DEFINE_INLINE_VIRTUAL_TRACE() { }
 
     protected:
         WebGLAttachment();
     };
 
     ~WebGLFramebuffer() override;
 
     static WebGLFramebuffer* create(WebGLRenderingContextBase*);
 
-    GLuint object() const { return m_object; }
+    Platform3DObject object() const { return m_object; }
 
     void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, GLenum texTarget, WebGLTexture*, GLint level, GLint layer);
     void setAttachmentForBoundFramebuffer(GLenum target, GLenum attachment, WebGLRenderbuffer*);
     // If an object is attached to the currently bound framebuffer, remove it.
     void removeAttachmentFromBoundFramebuffer(GLenum target, WebGLSharedObject*);
     // If a given attachment point for the currently bound framebuffer is not null, remove the attached object.
     void removeAttachmentFromBoundFramebuffer(GLenum target, GLenum attachment);
     WebGLSharedObject* getAttachmentObject(GLenum) const;
 
     // WebGL 1 specific:
@@ skipping 29 matching lines @@
 
     // Check if the framebuffer is currently bound.
     bool isBound(GLenum target) const;
 
     // attach 'attachment' at 'attachmentPoint'.
     void attach(GLenum target, GLenum attachment, GLenum attachmentPoint);
 
     // Check if a new drawBuffers call should be issued. This is called when we add or remove an attachment.
     void drawBuffersIfNecessary(bool force);
 
-    GLuint m_object;
+    Platform3DObject m_object;
 
     typedef HeapHashMap<GLenum, Member<WebGLAttachment>> AttachmentMap;
 
     AttachmentMap m_attachments;
     bool m_destructionInProgress;
 
     bool m_hasEverBeenBound;
 
     Vector<GLenum> m_drawBuffers;
     Vector<GLenum> m_filteredDrawBuffers;
 
     GLenum m_readBuffer;
 };
 
 } // namespace blink
 
 #endif // WebGLFramebuffer_h