Use a direct include of utf_string_conversions.h in chrome/browser/, part 3.

chrome/browser/web_applications/web_app_mac_unittest.mm

 // 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.
 
 #import "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <sys/xattr.h>
 #include <errno.h>
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/mac/foundation_util.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chrome/common/mac/app_mode_common.h"
 #include "grit/theme_resources.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 
 using ::testing::_;
@@ skipping 124 matching lines @@
       dst_path.Append("Contents").Append("Resources").Append("app.icns");
 
   scoped_nsobject<NSImage> image([[NSImage alloc] initWithContentsOfFile:
       base::mac::FilePathToNSString(icon_path)]);
   EXPECT_TRUE(image);
   EXPECT_EQ(product_logo.Width(), [image size].width);
   EXPECT_EQ(product_logo.Height(), [image size].height);
 }
 
 }  // namespace web_app