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

Source/modules/webgl/OESVertexArrayObject.h

Index: Source/modules/webgl/OESVertexArrayObject.h
diff --git a/Source/modules/webgl/OESVertexArrayObject.h b/Source/modules/webgl/OESVertexArrayObject.h
index 1f2a03058f3b6d16367be8119099ae1790b99e02..760e90f7cfe565960c022eb470676275f96a2589 100644
--- a/Source/modules/webgl/OESVertexArrayObject.h
+++ b/Source/modules/webgl/OESVertexArrayObject.h
@@ -27,7 +27,6 @@
 #define OESVertexArrayObject_h
 
 #include "modules/webgl/WebGLExtension.h"
-#include "wtf/PassRefPtr.h"
 
 namespace blink {
 
@@ -37,14 +36,14 @@ class WebGLVertexArrayObjectOES;
 class OESVertexArrayObject final : public WebGLExtension {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<OESVertexArrayObject> create(WebGLRenderingContextBase*);
+    static OESVertexArrayObject* create(WebGLRenderingContextBase*);
     static bool supported(WebGLRenderingContextBase*);
     static const char* extensionName();
 
     ~OESVertexArrayObject() override;
     WebGLExtensionName name() const override;
 
-    PassRefPtrWillBeRawPtr<WebGLVertexArrayObjectOES> createVertexArrayOES();
+    WebGLVertexArrayObjectOES* createVertexArrayOES();
     void deleteVertexArrayOES(WebGLVertexArrayObjectOES*);
     GLboolean isVertexArrayOES(WebGLVertexArrayObjectOES*);
     void bindVertexArrayOES(WebGLVertexArrayObjectOES*);