PPAPI: Remove PP_ALLOW_THIS_IN_INITIALIZER_LIST

ppapi/api/pp_macros.idl

Index: ppapi/api/pp_macros.idl
diff --git a/ppapi/api/pp_macros.idl b/ppapi/api/pp_macros.idl
index 999da67d381c59f68a753925d1ac3a9ddec7cba2..9f02c2749853bc5c89020d66bf65060b954c7205 100644
--- a/ppapi/api/pp_macros.idl
+++ b/ppapi/api/pp_macros.idl
@@ -86,22 +86,6 @@ PP_COMPILE_ASSERT_SIZE_IN_BYTES_IMPL(NAME, struct NAME, SIZE)
 #define PP_COMPILE_ASSERT_ENUM_SIZE_IN_BYTES(NAME, SIZE) \
 PP_COMPILE_ASSERT_SIZE_IN_BYTES_IMPL(NAME, enum NAME, SIZE)
 
-/* This is roughly copied from base/compiler_specific.h, and makes it possible
-   to pass 'this' in a constructor initializer list, when you really mean it.
-   E.g.:
-   Foo::Foo(MyInstance* instance)
-       : PP_ALLOW_THIS_IN_INITIALIZER_LIST(callback_factory_(this)) {}
- */
-#if defined(_MSC_VER)
-# define PP_ALLOW_THIS_IN_INITIALIZER_LIST(code) \
-    __pragma(warning(push)) \
-    __pragma(warning(disable:4355)) \
-    code \
-    __pragma(warning(pop))
-#else
-# define PP_ALLOW_THIS_IN_INITIALIZER_LIST(code) code
-#endif
-
 /**
  * @}
  * End of addtogroup PP