Move Posix file utils to the base namespace.

base/base_paths_posix.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.
 
 // Defines base::PathProviderPosix, default path provider on POSIX OSes that
 // don't have their own base_paths_OS.cc implementation (i.e. all but Mac and
 // Android).
 
 #include <ostream>
 #include <string>
@@ skipping 18 matching lines @@
 
 namespace base {
 
 bool PathProviderPosix(int key, FilePath* result) {
   FilePath path;
   switch (key) {
     case base::FILE_EXE:
     case base::FILE_MODULE: {  // TODO(evanm): is this correct?
 #if defined(OS_LINUX)
       FilePath bin_dir;
-      if (!file_util::ReadSymbolicLink(FilePath(kProcSelfExe), &bin_dir)) {
+      if (!ReadSymbolicLink(FilePath(kProcSelfExe), &bin_dir)) {
         NOTREACHED() << "Unable to resolve " << kProcSelfExe << ".";
         return false;
       }
       *result = bin_dir;
       return true;
 #elif defined(OS_FREEBSD)
       int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
       char bin_dir[PATH_MAX + 1];
       size_t length = sizeof(bin_dir);
       // Upon return, |length| is the number of bytes written to |bin_dir|
@@ skipping 60 matching lines @@
       return true;
     }
     case base::DIR_HOME:
       *result = file_util::GetHomeDir();
       return true;
   }
   return false;
 }
 
 }  // namespace base