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

Source/modules/webgl/OESTextureHalfFloatLinear.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:
  *
  * 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 26 matching lines @@
 
 OESTextureHalfFloatLinear::~OESTextureHalfFloatLinear()
 {
 }
 
 WebGLExtensionName OESTextureHalfFloatLinear::name() const
 {
     return OESTextureHalfFloatLinearName;
 }
 
-PassRefPtrWillBeRawPtr<OESTextureHalfFloatLinear> OESTextureHalfFloatLinear::create(WebGLRenderingContextBase* context)
+OESTextureHalfFloatLinear* OESTextureHalfFloatLinear::create(WebGLRenderingContextBase* context)
 {
-    return adoptRefWillBeNoop(new OESTextureHalfFloatLinear(context));
+    return new OESTextureHalfFloatLinear(context);
 }
 
 bool OESTextureHalfFloatLinear::supported(WebGLRenderingContextBase* context)
 {
     return context->extensionsUtil()->supportsExtension("GL_OES_texture_half_float_linear");
 }
 
 const char* OESTextureHalfFloatLinear::extensionName()
 {
     return "OES_texture_half_float_linear";
 }
 
 } // namespace blink