PPAPI: Remove PP_ALLOW_THIS_IN_INITIALIZER_LIST

ppapi/c/pp_macros.h

Index: ppapi/c/pp_macros.h
diff --git a/ppapi/c/pp_macros.h b/ppapi/c/pp_macros.h
index 910ac4cb0a06e3e510345d0594dff786a9876db5..31d7297fd433423e66490d71555b57c302bf8eeb 100644
--- a/ppapi/c/pp_macros.h
+++ b/ppapi/c/pp_macros.h
@@ -95,22 +95,6 @@ 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