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

Source/modules/webgl/WebGLCompressedTextureETC1.cpp

Index: Source/modules/webgl/WebGLCompressedTextureETC1.cpp
diff --git a/Source/modules/webgl/WebGLCompressedTextureETC1.cpp b/Source/modules/webgl/WebGLCompressedTextureETC1.cpp
index 9ff1739644d8f7994a1615639dedc3c7cddc2179..1e02d3e2377b87729cbc0bce07d143831041fc12 100644
--- a/Source/modules/webgl/WebGLCompressedTextureETC1.cpp
+++ b/Source/modules/webgl/WebGLCompressedTextureETC1.cpp
@@ -25,9 +25,9 @@
     return WebGLCompressedTextureETC1Name;
 }
 
-WebGLCompressedTextureETC1* WebGLCompressedTextureETC1::create(WebGLRenderingContextBase* context)
+PassRefPtrWillBeRawPtr<WebGLCompressedTextureETC1> WebGLCompressedTextureETC1::create(WebGLRenderingContextBase* context)
 {
-    return new WebGLCompressedTextureETC1(context);
+    return adoptRefWillBeNoop(new WebGLCompressedTextureETC1(context));
 }
 
 bool WebGLCompressedTextureETC1::supported(WebGLRenderingContextBase* context)