Now InstallFromManifest "xpcom/components/MANIFEST_COMPONENTS" to get some javascript installed in the apps "Components" directory. This corresponds to work shaver has already done on the other platforms. r=sfraser

build/mac/NGLayoutBuildList.pm

@@ -365,6 +365,7 @@ sub BuildClientDist()
 	_InstallFromManifest(":mozilla:xpcom:ds:MANIFEST_IDL",							"$distdirectory:idl:");
 	_InstallFromManifest(":mozilla:xpcom:threads:MANIFEST_IDL",							"$distdirectory:idl:");
 	_InstallFromManifest(":mozilla:xpcom:components:MANIFEST_IDL",							"$distdirectory:idl:");
+	_InstallFromManifest(":mozilla:xpcom:components:MANIFEST_COMPONENTS", "${dist_dir}Components:");
 
 	_InstallFromManifest(":mozilla:xpcom:base:MANIFEST",								"$distdirectory:xpcom:");
 	_InstallFromManifest(":mozilla:xpcom:components:MANIFEST",						"$distdirectory:xpcom:");