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

Source/modules/webgl/ANGLEInstancedArrays.cpp

Index: Source/modules/webgl/ANGLEInstancedArrays.cpp
diff --git a/Source/modules/webgl/ANGLEInstancedArrays.cpp b/Source/modules/webgl/ANGLEInstancedArrays.cpp
index d147dba8636644d4fc3377ef92352bc0194c0853..9e6a495c8804c067074cba7f5e676d0d683d7c4d 100644
--- a/Source/modules/webgl/ANGLEInstancedArrays.cpp
+++ b/Source/modules/webgl/ANGLEInstancedArrays.cpp
@@ -51,9 +51,9 @@
     return ANGLEInstancedArraysName;
 }
 
-ANGLEInstancedArrays* ANGLEInstancedArrays::create(WebGLRenderingContextBase* context)
+PassRefPtrWillBeRawPtr<ANGLEInstancedArrays> ANGLEInstancedArrays::create(WebGLRenderingContextBase* context)
 {
-    return new ANGLEInstancedArrays(context);
+    return adoptRefWillBeNoop(new ANGLEInstancedArrays(context));
 }
 
 bool ANGLEInstancedArrays::supported(WebGLRenderingContextBase* context)