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

Source/modules/webgl/WebGLObject.cpp

Index: Source/modules/webgl/WebGLObject.cpp
diff --git a/Source/modules/webgl/WebGLObject.cpp b/Source/modules/webgl/WebGLObject.cpp
index e84eb24742224fd9c3c4e1434a74ccee96547c03..1a1381e21e7389d733428c2c5168e808d7c48c40 100644
--- a/Source/modules/webgl/WebGLObject.cpp
+++ b/Source/modules/webgl/WebGLObject.cpp
@@ -72,15 +72,12 @@ void WebGLObject::detachAndDeleteObject()
     // Helper method that pairs detachment with platform object
     // deletion.
     //
-    // With Oilpan enabled, objects may end up being finalized without
-    // having been detached first. Consequently, the objects force
-    // detachment first before deleting the platform object. Without
-    // Oilpan, the objects will have been detached from the 'parent'
-    // objects first and do not separately require it when finalizing.
+    // Objects may end up being finalized without having been detached first.
+    // Consequently, the objects force detachment first before deleting the
+    // platform object.
     //
-    // However, as detach() is trivial, the individual WebGL
-    // destructors will always call detachAndDeleteObject() rather
-    // than do it based on Oilpan being enabled.
+    // The individual WebGL destructors will always call detachAndDeleteObject()
+    // rather than do it based on Oilpan GC.
     detach();
     deleteObject(nullptr);
 }