Move logging.h's definitions of operator<< into namespace std.

base/files/file_path_watcher_win.cc

 // Copyright (c) 2011 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 "base/files/file_path_watcher.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
@@ skipping 215 matching lines @@
   // If FindFirstChangeNotification failed because the target directory
   // doesn't exist, access is denied (happens if the file is already gone but
   // there are still handles open), or the target is not a directory, try the
   // immediate parent directory instead.
   DWORD error_code = GetLastError();
   if (error_code != ERROR_FILE_NOT_FOUND &&
       error_code != ERROR_PATH_NOT_FOUND &&
       error_code != ERROR_ACCESS_DENIED &&
       error_code != ERROR_SHARING_VIOLATION &&
       error_code != ERROR_DIRECTORY) {
-    using ::operator<<; // Pick the right operator<< below.
     DPLOG(ERROR) << "FindFirstChangeNotification failed for "
                  << dir.value();
     return false;
   }
 
   return true;
 }
 
 bool FilePathWatcherImpl::UpdateWatch() {
   if (handle_ != INVALID_HANDLE_VALUE)
@@ skipping 46 matching lines @@
   handle_ = INVALID_HANDLE_VALUE;
 }
 
 }  // namespace
 
 FilePathWatcher::FilePathWatcher() {
   impl_ = new FilePathWatcherImpl();
 }
 
 }  // namespace base