Bug 672843 part D - make NS_ERROR_INVALID_POINTER an alias of NS_ERROR_INVALID_ARG, r=froydnj

accessible/src/windows/msaa/IUnknownImpl.cpp

@@ -23,7 +23,7 @@ GetHRESULT(nsresult aResult)
     case NS_OK:
       return S_OK;
 
-    case NS_ERROR_INVALID_ARG: case NS_ERROR_INVALID_POINTER:
+    case NS_ERROR_INVALID_ARG:
       return E_INVALIDARG;
 
     case NS_ERROR_OUT_OF_MEMORY:

xpcom/base/ErrorList.h

@@ -16,8 +16,6 @@
   /* Returned when a given interface is not supported. */
   ERROR(NS_NOINTERFACE,                         0x80004002),
   ERROR(NS_ERROR_NO_INTERFACE,                  NS_NOINTERFACE),
-  ERROR(NS_ERROR_INVALID_POINTER,               0x80004003),
-  ERROR(NS_ERROR_NULL_POINTER,                  NS_ERROR_INVALID_POINTER),
   /* Returned when a function aborts */
   ERROR(NS_ERROR_ABORT,                         0x80004004),
   /* Returned when a function fails */
@@ -29,6 +27,8 @@
   /* Returned when an illegal value is passed */
   ERROR(NS_ERROR_ILLEGAL_VALUE,                 0x80070057),
   ERROR(NS_ERROR_INVALID_ARG,                   NS_ERROR_ILLEGAL_VALUE),
+  ERROR(NS_ERROR_INVALID_POINTER,               NS_ERROR_INVALID_ARG),
+  ERROR(NS_ERROR_NULL_POINTER,                  NS_ERROR_INVALID_ARG),
   /* Returned when a class doesn't allow aggregation */
   ERROR(NS_ERROR_NO_AGGREGATION,                0x80040110),
   /* Returned when an operation can't complete due to an unavailable resource */