Remove GetSwitchValue() from chrome/* where easy.

chrome/browser/first_run/first_run_win.cc

Index: chrome/browser/first_run/first_run_win.cc
diff --git a/chrome/browser/first_run/first_run_win.cc b/chrome/browser/first_run/first_run_win.cc
index d38636f11f66d49654fa4aa1271897837673338c..06d4a3c3e5915943f25ef8c0858bc0379136d9fb 100644
--- a/chrome/browser/first_run/first_run_win.cc
+++ b/chrome/browser/first_run/first_run_win.cc
@@ -274,8 +274,8 @@ bool FirstRun::ProcessMasterPreferences(const FilePath& user_data_dir,
     FilePath inner_html;
     if (WriteEULAtoTempFile(&inner_html)) {
       int retcode = 0;
-      const std::string eula = WideToASCII(installer_util::switches::kShowEula);
-      if (!LaunchSetupWithParam(eula, inner_html.ToWStringHack(), &retcode) ||
+      if (!LaunchSetupWithParam(installer_util::switches::kShowEula,
+                                inner_html.ToWStringHack(), &retcode) ||
           (retcode == installer_util::EULA_REJECTED)) {
         LOG(WARNING) << "EULA rejected. Fast exit.";
         ::ExitProcess(1);