Add a 'googleurl' Alias so we don't have to list specific

googleurl target files by hand on the command line.
Review URL: http://codereview.chromium.org/4226

git-svn-id: http://src.chromium.org/svn/trunk/src/build@2506 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

SConscript.googleurl

@@ -79,3 +79,5 @@ test_files = [
 gurl_unittests = env_tests.ChromeTestProgram('googleurl_unittests', test_files)
 
 installed_gurl_unittests = env.Install('$TARGET_ROOT', gurl_unittests)
+
+env.Alias('googleurl', installed_gurl_unittests)