CommandLine: remove wstring-based program() accessor

chrome/test/mini_installer_test/run_all_unittests.cc

Index: chrome/test/mini_installer_test/run_all_unittests.cc
diff --git a/chrome/test/mini_installer_test/run_all_unittests.cc b/chrome/test/mini_installer_test/run_all_unittests.cc
index f8f1d42730f29ad139d6e3f20ec3acdd86bdaf43..bde121efdcd9f64bb5617bc81388670c654fc6b3 100644
--- a/chrome/test/mini_installer_test/run_all_unittests.cc
+++ b/chrome/test/mini_installer_test/run_all_unittests.cc
@@ -56,7 +56,7 @@ int main(int argc, char** argv) {
   } else {
     printf("This test needs command line arguments.\n");
     printf("Usage: %ls -{clean|backup} [-build <version>] [-force] \n",
-        command_line.program().c_str());
+           command_line.GetProgram().value().c_str());
     printf("-clean arg will uninstall your chrome at all levels"
            " and also delete profile.\n"
            "-backup arg will make a copy of User Data before uninstalling"