Rewrite std::string("") to std::string(), Linux edition.

chrome/browser/ui/blocked_content/blocked_content_tab_helper.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/blocked_content/blocked_content_tab_helper.h"
 
 #include "base/auto_reset.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 92 matching lines @@
   // page.  For this reason, we can't use GetURL() to get the opener URL,
   // because it returns the active entry.
   NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   GURL creator = entry ? entry->GetVirtualURL() : GURL::EmptyGURL();
   Profile* profile =
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
 
   if (creator.is_valid() &&
       profile->GetHostContentSettingsMap()->GetContentSetting(
-          creator,
-          creator,
-          CONTENT_SETTINGS_TYPE_POPUPS,
-          "") == CONTENT_SETTING_ALLOW) {
+          creator, creator, CONTENT_SETTINGS_TYPE_POPUPS, std::string()) ==
+          CONTENT_SETTING_ALLOW) {
     content::WebContentsDelegate* delegate = web_contents()->GetDelegate();
     if (delegate) {
       delegate->AddNewContents(web_contents(),
                                new_contents,
                                disposition,
                                initial_pos,
                                true,  // user_gesture
                                NULL);
     }
   } else {
@@ skipping 18 matching lines @@
 }
 
 size_t BlockedContentTabHelper::GetBlockedContentsCount() const {
   return blocked_contents_->GetBlockedContentsCount();
 }
 
 void BlockedContentTabHelper::GetBlockedContents(
     std::vector<content::WebContents*>* blocked_contents) const {
   blocked_contents_->GetBlockedContents(blocked_contents);
 }