Remove some unnecessary dependencies on net from app/win_util and app/resourc...

app/win_util_unittest.cc

 // Copyright (c) 2006-2008 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 "app/win_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(WinUtilTest, EnsureRectIsVisibleInRect) {
   gfx::Rect parent_rect(0, 0, 500, 400);
 
@@ skipping 64 matching lines @@
   {L"f.jpg",     L"*.*",   L"jpg", L"f.jpg"},
   {L"f.jpeg",    L"*.*",   L"jpg", L"f.jpeg"},  // Same MIME type (diff. ext).
   // Test the empty filter, which should behave identically to the
   // All Files filter.
   {L"f",         L"",      L"jpg", L"f"},
   {L"f.",        L"",      L"jpg", L"f"},
   {L"f..",       L"",      L"jpg", L"f"},
   {L"f.jpg",     L"",      L"jpg", L"f.jpg"},
   {L"f.jpeg",    L"",      L"jpg", L"f.jpeg"},
 };
-
-TEST(WinUtilTest, AppendingExtensions) {
-  for (unsigned int i = 0; i < arraysize(filename_cases); ++i) {
-    const filename_case& value = filename_cases[i];
-    std::wstring result =
-        win_util::AppendExtensionIfNeeded(value.filename, value.filter_selected,
-                                          value.suggested_ext);
-    EXPECT_EQ(value.result, result);
-  }
-}