file_manager: Move non-binding code to c/b/chromeos/file_manager

chrome/browser/chromeos/file_manager/mime_util_unittest.cc

 // Copyright 2013 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/chromeos/extensions/file_manager/mime_util.h"
+#include "chrome/browser/chromeos/file_manager/mime_util.h"
 
 #include "base/files/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace file_manager {
 namespace util {
 
 TEST(FileManagerMimeUtilTest, GetMimeTypeForPath) {
   EXPECT_EQ("image/jpeg",
             GetMimeTypeForPath(base::FilePath::FromUTF8Unsafe("foo.jpg")));
   EXPECT_EQ("image/jpeg",
             GetMimeTypeForPath(base::FilePath::FromUTF8Unsafe("FOO.JPG")));
   EXPECT_EQ("",
             GetMimeTypeForPath(base::FilePath::FromUTF8Unsafe("foo.zzz")));
 }
 
 }  // namespace util
 }  // namespace file_manager