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Bug 1153988 - create nsNullPrincipals directly, rather than going through do_CreateInstance; r=smaug

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There's a better way to create null principals than
do_CreateInstance("@mozilla.org/nullprincipal;1").  Let's do that and
save ourselves some XPCOM overhead.
This commit is contained in:
Nathan Froyd
2015-04-13 14:47:41 -04:00
parent 2d0efd09c4
commit 8fccbf9246
21 changed files with 52 additions and 59 deletions
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5
dom/jsurl/nsJSProtocolHandler.cpp
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@@ -430,9 +430,8 @@ nsresult nsJSChannel::Init(nsIURI *aURI)
// and the underlying Input Stream will not be created...
nsCOMPtr<nsIChannel> channel;
nsCOMPtr<nsIPrincipal> nullPrincipal =
do_CreateInstance("@mozilla.org/nullprincipal;1", &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPrincipal> nullPrincipal = nsNullPrincipal::Create();
NS_ENSURE_TRUE(nullPrincipal, NS_ERROR_FAILURE);
// If the resultant script evaluation actually does return a value, we
// treat it as html.