Remove GetSwitchValue() from chrome/* where easy.

chrome/browser/first_run/first_run_win.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/first_run/first_run.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <shlobj.h>
 
@@ skipping 256 matching lines @@
       installer_util::master_preferences::kRequireEula, &value) && value) {
     // Show the post-installation EULA. This is done by setup.exe and the
     // result determines if we continue or not. We wait here until the user
     // dismisses the dialog.
 
     // The actual eula text is in a resource in chrome. We extract it to
     // a text file so setup.exe can use it as an inner frame.
     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);
       }
       if (retcode == installer_util::EULA_ACCEPTED) {
         LOG(INFO) << "EULA : no collection";
         GoogleUpdateSettings::SetCollectStatsConsent(false);
       } else if (retcode == installer_util::EULA_ACCEPTED_OPT_IN) {
         LOG(INFO) << "EULA : collection consent";
         GoogleUpdateSettings::SetCollectStatsConsent(true);
@@ skipping 775 matching lines @@
 
 Upgrade::TryResult Upgrade::ShowTryChromeDialog(size_t version) {
   if (version > 10000) {
     // This is a test value. We want to make sure we exercise
     // returning this early. See EarlyReturnTest test harness.
     return Upgrade::TD_NOT_NOW;
   }
   TryChromeDialog td;
   return td.ShowModal();
 }