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

content/browser/accessibility/accessibility_tree_formatter.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 "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 62 matching lines @@
                                               char* prefix) {
   return UTF8ToUTF16(prefix) + base::IntToString16(node->renderer_id()) +
        ASCIIToUTF16("\n");
 }
 
 void AccessibilityTreeFormatter::Initialize() {}
 
 // static
 const base::FilePath::StringType
 AccessibilityTreeFormatter::GetActualFileSuffix() {
-  return FILE_PATH_LITERAL("");
+  return base::FilePath::StringType();
 }
 
 // static
 const base::FilePath::StringType
 AccessibilityTreeFormatter::GetExpectedFileSuffix() {
-  return FILE_PATH_LITERAL("");
+  return base::FilePath::StringType();
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetAllowEmptyString() {
-  return "";
+  return std::string();
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetAllowString() {
-  return "";
+  return std::string();
 }
 
 // static
 const std::string AccessibilityTreeFormatter::GetDenyString() {
-  return "";
+  return std::string();
 }
 #endif
 
 void AccessibilityTreeFormatter::SetFilters(
     const std::vector<Filter>& filters) {
   filters_ = filters;
 }
 
 bool AccessibilityTreeFormatter::MatchesFilters(
     const string16& text, bool default_result) const {
@@ skipping 25 matching lines @@
   if (!line_.empty())
     line_ += ASCIIToUTF16(" ");
   line_ += attr;
 }
 
 string16 AccessibilityTreeFormatter::FinishLine() {
   return line_;
 }
 
 }  // namespace content