Move StringToLowerASCII to base namespace

net/base/filename_util_internal.cc

 // Copyright 2014 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 "net/base/filename_util.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
@@ skipping 71 matching lines @@
   // If the URL contains a (possibly empty) query, assume it is a generator, and
   // allow the determined extension to be overwritten.
   *should_overwrite_extension = !decoded_filename.empty() && url.has_query();
 
   return decoded_filename;
 }
 
 // Returns whether the specified extension is automatically integrated into the
 // windows shell.
 bool IsShellIntegratedExtension(const base::FilePath::StringType& extension) {
-  base::FilePath::StringType extension_lower = StringToLowerASCII(extension);
+  base::FilePath::StringType extension_lower =
+      base::StringToLowerASCII(extension);
 
   // http://msdn.microsoft.com/en-us/library/ms811694.aspx
   // Right-clicking on shortcuts can be magical.
   if ((extension_lower == FILE_PATH_LITERAL("local")) ||
       (extension_lower == FILE_PATH_LITERAL("lnk")))
     return true;
 
   // http://www.juniper.net/security/auto/vulnerabilities/vuln2612.html
   // Files become magical if they end in a CLSID, so block such extensions.
   if (!extension_lower.empty() &&
       (extension_lower[0] == FILE_PATH_LITERAL('{')) &&
       (extension_lower[extension_lower.length() - 1] == FILE_PATH_LITERAL('}')))
     return true;
   return false;
 }
 
 // Returns whether the specified file name is a reserved name on windows.
 // This includes names like "com2.zip" (which correspond to devices) and
 // desktop.ini and thumbs.db which have special meaning to the windows shell.
 bool IsReservedName(const base::FilePath::StringType& filename) {
   // This list is taken from the MSDN article "Naming a file"
   // http://msdn2.microsoft.com/en-us/library/aa365247(VS.85).aspx
   // I also added clock$ because GetSaveFileName seems to consider it as a
   // reserved name too.
   static const char* const known_devices[] = {
       "con",  "prn",  "aux",  "nul",  "com1", "com2", "com3",  "com4",
       "com5", "com6", "com7", "com8", "com9", "lpt1", "lpt2",  "lpt3",
       "lpt4", "lpt5", "lpt6", "lpt7", "lpt8", "lpt9", "clock$"};
 #if defined(OS_WIN)
-  std::string filename_lower = StringToLowerASCII(base::WideToUTF8(filename));
+  std::string filename_lower =
+      base::StringToLowerASCII(base::WideToUTF8(filename));
 #elif defined(OS_POSIX)
-  std::string filename_lower = StringToLowerASCII(filename);
+  std::string filename_lower = base::StringToLowerASCII(filename);
 #endif
 
   for (size_t i = 0; i < arraysize(known_devices); ++i) {
     // Exact match.
     if (filename_lower == known_devices[i])
       return true;
     // Starts with "DEVICE.".
     if (filename_lower.find(std::string(known_devices[i]) + ".") == 0)
       return true;
   }
@@ skipping 174 matching lines @@
   base::FilePath generated_name(
       base::SysWideToNativeMB(base::UTF16ToWide(file_name)));
 #endif
 
   DCHECK(!generated_name.empty());
 
   return generated_name;
 }
 
 }  // namespace net