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

Source/modules/webgl/WebGLCompressedTextureATC.cpp

Index: Source/modules/webgl/WebGLCompressedTextureATC.cpp
diff --git a/Source/modules/webgl/WebGLCompressedTextureATC.cpp b/Source/modules/webgl/WebGLCompressedTextureATC.cpp
index 4b4cbcedc714fb7cded9b8835f44dc8f4d2f5c60..ecf513a90f3828da6ae352d5479eecc797bb22d7 100644
--- a/Source/modules/webgl/WebGLCompressedTextureATC.cpp
+++ b/Source/modules/webgl/WebGLCompressedTextureATC.cpp
@@ -46,9 +46,9 @@
     return WebGLCompressedTextureATCName;
 }
 
-WebGLCompressedTextureATC* WebGLCompressedTextureATC::create(WebGLRenderingContextBase* context)
+PassRefPtrWillBeRawPtr<WebGLCompressedTextureATC> WebGLCompressedTextureATC::create(WebGLRenderingContextBase* context)
 {
-    return new WebGLCompressedTextureATC(context);
+    return adoptRefWillBeNoop(new WebGLCompressedTextureATC(context));
 }
 
 bool WebGLCompressedTextureATC::supported(WebGLRenderingContextBase* context)