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

Source/modules/webgl/WebGLTexture.cpp

Index: Source/modules/webgl/WebGLTexture.cpp
diff --git a/Source/modules/webgl/WebGLTexture.cpp b/Source/modules/webgl/WebGLTexture.cpp
index 16b651875b1ab555d8a3a9da1afc1fecb2a02618..345e62345754cc58f916581a8f756e7b98ab0f21 100644
--- a/Source/modules/webgl/WebGLTexture.cpp
+++ b/Source/modules/webgl/WebGLTexture.cpp
@@ -31,9 +31,9 @@
 
 namespace blink {
 
-WebGLTexture* WebGLTexture::create(WebGLRenderingContextBase* ctx)
-{
-    return new WebGLTexture(ctx);
+PassRefPtrWillBeRawPtr<WebGLTexture> WebGLTexture::create(WebGLRenderingContextBase* ctx)
+{
+    return adoptRefWillBeNoop(new WebGLTexture(ctx));
 }
 
 WebGLTexture::WebGLTexture(WebGLRenderingContextBase* ctx)
@@ -60,7 +60,13 @@
 
 WebGLTexture::~WebGLTexture()
 {
-    // See the comment in WebGLObject::detachAndDeleteObject().
+    // Always perform 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();
 }