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

Source/modules/webgl/OESElementIndexUint.cpp

Index: Source/modules/webgl/OESElementIndexUint.cpp
diff --git a/Source/modules/webgl/OESElementIndexUint.cpp b/Source/modules/webgl/OESElementIndexUint.cpp
index 7ed59c2991a3499b785be78243c0f2002b18c216..fd858b0e7799a26823718ea42282dc59b6f511dd 100644
--- a/Source/modules/webgl/OESElementIndexUint.cpp
+++ b/Source/modules/webgl/OESElementIndexUint.cpp
@@ -44,9 +44,9 @@
     return OESElementIndexUintName;
 }
 
-OESElementIndexUint* OESElementIndexUint::create(WebGLRenderingContextBase* context)
+PassRefPtrWillBeRawPtr<OESElementIndexUint> OESElementIndexUint::create(WebGLRenderingContextBase* context)
 {
-    return new OESElementIndexUint(context);
+    return adoptRefWillBeNoop(new OESElementIndexUint(context));
 }
 
 bool OESElementIndexUint::supported(WebGLRenderingContextBase* context)