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

Source/modules/webgl/OESTextureFloat.h

Index: Source/modules/webgl/OESTextureFloat.h
diff --git a/Source/modules/webgl/OESTextureFloat.h b/Source/modules/webgl/OESTextureFloat.h
index 01ba5a0ce4a2c7c6fbff673d80cc1be459bf2f75..6c28afa52c0cb1560aabdf2390231b59ce1f1243 100644
--- a/Source/modules/webgl/OESTextureFloat.h
+++ b/Source/modules/webgl/OESTextureFloat.h
@@ -27,13 +27,14 @@
 #define OESTextureFloat_h
 
 #include "modules/webgl/WebGLExtension.h"
+#include "wtf/PassRefPtr.h"
 
 namespace blink {
 
 class OESTextureFloat final : public WebGLExtension {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static OESTextureFloat* create(WebGLRenderingContextBase*);
+    static PassRefPtrWillBeRawPtr<OESTextureFloat> create(WebGLRenderingContextBase*);
     static bool supported(WebGLRenderingContextBase*);
     static const char* extensionName();