Backed out changeset a8a2b3d99ed9 (bug 1348981)

js/xpconnect/idl/xpccomponents.idl

@@ -15,7 +15,6 @@ interface nsIClassInfo;
 interface nsIComponentManager;
 interface nsICycleCollectorListener;
 interface nsIFile;
-interface nsIURI;
 interface nsIJSCID;
 interface nsIJSIID;
 interface nsIPrincipal;
@@ -702,12 +701,6 @@ interface nsIXPCComponents_Utils : nsISupports
      * startup so its contents will be available the next time they're read.
      */
     ACString readFile(in nsIFile file);
-
-    /*
-     * Reads the given local file URL and returns its contents. This has the
-     * same semantics of readFile.
-     */
-    ACString readURI(in nsIURI url);
 };
 
 /**

js/xpconnect/src/XPCComponents.cpp

@@ -3397,15 +3397,6 @@ nsXPCComponents_Utils::ReadFile(nsIFile* aFile, nsACString& aResult)
     return NS_OK;
 }
 
-NS_IMETHODIMP
-nsXPCComponents_Utils::ReadURI(nsIURI* aURI, nsACString& aResult)
-{
-    NS_ENSURE_TRUE(aURI, NS_ERROR_INVALID_ARG);
-
-    MOZ_TRY_VAR(aResult, URLPreloader::ReadURI(aURI));
-    return NS_OK;
-}
-
 NS_IMETHODIMP
 nsXPCComponents_Utils::Now(double* aRetval)
 {