Removing base::ThreadRestrictions::ScopedAllowIO from icon_manager_linux.cc

chrome/browser/icon_manager_win.cc

Index: chrome/browser/icon_manager_win.cc
diff --git a/chrome/browser/icon_manager_win.cc b/chrome/browser/icon_manager_win.cc
deleted file mode 100644
index 7bf192f0f148b6eed53911146678af03cc7861a3..0000000000000000000000000000000000000000
--- a/chrome/browser/icon_manager_win.cc
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright (c) 2009 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/browser/icon_manager.h"
-
-#include "base/file_path.h"
-
-IconGroupID IconManager::GetGroupIDFromFilepath(
-    const base::FilePath& filepath) {
-  std::wstring extension = filepath.Extension();
-  if (extension != L".exe" && extension != L".dll" && extension != L".ico")
-    return extension;
-  else
-    return filepath.value();
-}