Revert of [Oilpan] Migrate classes under module/webgl onto oilpan heap

Source/modules/webgl/WebGLTexture.cpp

 /*
  * 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 13 matching lines @@
  */
 
 #include "config.h"
 
 #include "modules/webgl/WebGLTexture.h"
 
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
 
-WebGLTexture* WebGLTexture::create(WebGLRenderingContextBase* ctx)
+PassRefPtrWillBeRawPtr<WebGLTexture> WebGLTexture::create(WebGLRenderingContextBase* ctx)
 {
-    return new WebGLTexture(ctx);
+    return adoptRefWillBeNoop(new WebGLTexture(ctx));
 }
 
 WebGLTexture::WebGLTexture(WebGLRenderingContextBase* ctx)
     : WebGLSharedPlatform3DObject(ctx)
     , m_target(0)
     , m_minFilter(GL_NEAREST_MIPMAP_LINEAR)
     , m_magFilter(GL_LINEAR)
     , m_wrapR(GL_REPEAT)
     , m_wrapS(GL_REPEAT)
     , m_wrapT(GL_REPEAT)
     , m_isNPOT(false)
     , m_isCubeComplete(false)
     , m_isComplete(false)
     , m_needToUseBlackTexture(false)
     , m_isFloatType(false)
     , m_isHalfFloatType(false)
     , m_isWebGL2OrHigher(ctx->isWebGL2OrHigher())
     , m_immutable(false)
     , m_baseLevel(0)
     , m_maxLevel(1000)
 {
     setObject(ctx->webContext()->createTexture());
 }
 
 WebGLTexture::~WebGLTexture()
 {
-    // See the comment in WebGLObject::detachAndDeleteObject().
+    // Always perform detach here to ensure that platform object
+    // deletion happens with Oilpan enabled. It keeps the code regular
+    // to do it with or without Oilpan enabled.
+    //
+    // See comment in WebGLBuffer's destructor for additional
+    // information on why this is done for WebGLSharedObject-derived
+    // objects.
     detachAndDeleteObject();
 }
 
 void WebGLTexture::setTarget(GLenum target, GLint maxLevel)
 {
     if (!object())
         return;
     // Target is finalized the first time bindTexture() is called.
     if (m_target)
         return;
@@ skipping 516 matching lines @@
     case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
     case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
     case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
         return GL_UNSIGNED_BYTE;
     default:
         return GL_NONE;
     }
 }
 
 } // namespace blink