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

Source/modules/webgl/WebGLQuery.cpp

Index: Source/modules/webgl/WebGLQuery.cpp
diff --git a/Source/modules/webgl/WebGLQuery.cpp b/Source/modules/webgl/WebGLQuery.cpp
index a3a7ab940d4bd9de6a6ac6f5ab36c469ae0f3fb0..1c1e113d6faf561b802c0fbcce0ff2ca11ec5310 100644
--- a/Source/modules/webgl/WebGLQuery.cpp
+++ b/Source/modules/webgl/WebGLQuery.cpp
@@ -10,14 +10,20 @@
 
 namespace blink {
 
-WebGLQuery* WebGLQuery::create(WebGL2RenderingContextBase* ctx)
+PassRefPtrWillBeRawPtr<WebGLQuery> WebGLQuery::create(WebGL2RenderingContextBase* ctx)
 {
-    return new WebGLQuery(ctx);
+    return adoptRefWillBeNoop(new WebGLQuery(ctx));
 }
 
 WebGLQuery::~WebGLQuery()
 {
-    // See the comment in WebGLObject::detachAndDeleteObject().
+    // Always call detach here to ensure that platform object deletion
+    // happens with Oilpan enabled. It keeps the code regular to do it
+    // with or without Oilpan enabled.
+    //
+    // See comment in WebGLBuffer's destructor for additional
+    // information on why this is done for WebGLSharedObject-derived
+    // objects.
     detachAndDeleteObject();
 }