Continue to clean c_str() calls.

chrome/browser/ui/chrome_pages.cc

 // Copyright (c) 2012 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/ui/chrome_pages.h"
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
@@ skipping 265 matching lines @@
                                     const std::string& scheme) {
   if (!browser->is_type_popup() || !browser->is_trusted_source())
     return false;
   if (scheme.empty())  // Any trusted popup window
     return true;
   const content::WebContents* web_contents =
       browser->tab_strip_model()->GetWebContentsAt(0);
   if (!web_contents)
     return false;
   GURL url(web_contents->GetURL());
-  return url.SchemeIs(scheme.c_str());
+  return url.SchemeIs(scheme);
 }
 
 
 void ShowSettings(Browser* browser) {
   ShowSettingsSubPage(browser, std::string());
 }
 
 void ShowSettingsSubPage(Browser* browser, const std::string& sub_page) {
   if (::switches::SettingsWindowEnabled()) {
     ShowSettingsSubPageForProfile(browser->profile(), sub_page);
@@ skipping 158 matching lines @@
       SigninManagerFactory::GetForProfile(original_profile);
   DCHECK(manager->IsSigninAllowed());
   if (manager->IsAuthenticated())
     ShowSettings(browser);
   else
     ShowBrowserSignin(browser, access_point);
 }
 #endif
 
 }  // namespace chrome