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

chrome/common/extensions/extension_set.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/common/extensions/extension_set.h"
 
 #include "base/logging.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/manifest_handlers/sandboxed_page_info.h"
 #include "chrome/common/url_constants.h"
@@ skipping 59 matching lines @@
 
 void ExtensionSet::Clear() {
   extensions_.clear();
 }
 
 std::string ExtensionSet::GetExtensionOrAppIDByURL(
     const ExtensionURLInfo& info) const {
   DCHECK(!info.origin().isNull());
 
   if (info.url().SchemeIs(extensions::kExtensionScheme))
-    return info.origin().isUnique() ? "" : info.url().host();
+    return info.origin().isUnique() ? std::string() : info.url().host();
 
   const Extension* extension = GetExtensionOrAppByURL(info);
   if (!extension)
-    return "";
+    return std::string();
 
   return extension->id();
 }
 
 const Extension* ExtensionSet::GetExtensionOrAppByURL(
     const ExtensionURLInfo& info) const {
   // In the common case, the document's origin will correspond to its URL,
   // but in some rare cases involving sandboxing, the two will be different.
   // We catch those cases by checking whether the document's origin is unique.
   // If that's not the case, then we conclude that the document's security
@@ skipping 73 matching lines @@
 bool ExtensionSet::IsSandboxedPage(const ExtensionURLInfo& info) const {
   if (info.url().SchemeIs(extensions::kExtensionScheme)) {
     const Extension* extension = GetByID(info.url().host());
     if (extension) {
       return extensions::SandboxedPageInfo::IsSandboxedPage(extension,
                                                             info.url().path());
     }
   }
   return false;
 }