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

Source/modules/webgl/OESVertexArrayObject.cpp

Index: Source/modules/webgl/OESVertexArrayObject.cpp
diff --git a/Source/modules/webgl/OESVertexArrayObject.cpp b/Source/modules/webgl/OESVertexArrayObject.cpp
index a61945b395180d74c4dc6affa4eb517e294514eb..72e66d1b7c12e99d90a0f70ad06dad6297e3bc30 100644
--- a/Source/modules/webgl/OESVertexArrayObject.cpp
+++ b/Source/modules/webgl/OESVertexArrayObject.cpp
@@ -48,20 +48,20 @@
     return OESVertexArrayObjectName;
 }
 
-OESVertexArrayObject* OESVertexArrayObject::create(WebGLRenderingContextBase* context)
+PassRefPtrWillBeRawPtr<OESVertexArrayObject> OESVertexArrayObject::create(WebGLRenderingContextBase* context)
 {
-    return new OESVertexArrayObject(context);
+    return adoptRefWillBeNoop(new OESVertexArrayObject(context));
 }
 
-WebGLVertexArrayObjectOES* OESVertexArrayObject::createVertexArrayOES()
+PassRefPtrWillBeRawPtr<WebGLVertexArrayObjectOES> OESVertexArrayObject::createVertexArrayOES()
 {
     WebGLExtensionScopedContext scoped(this);
     if (scoped.isLost())
         return nullptr;
 
-    WebGLVertexArrayObjectOES* o = WebGLVertexArrayObjectOES::create(scoped.context(), WebGLVertexArrayObjectOES::VaoTypeUser);
-    scoped.context()->addContextObject(o);
-    return o;
+    RefPtrWillBeRawPtr<WebGLVertexArrayObjectOES> o = WebGLVertexArrayObjectOES::create(scoped.context(), WebGLVertexArrayObjectOES::VaoTypeUser);
+    scoped.context()->addContextObject(o.get());
+    return o.release();
 }
 
 void OESVertexArrayObject::deleteVertexArrayOES(WebGLVertexArrayObjectOES* arrayObject)