Revert "Create direct write font proxy classes and unit tests."

content/child/dwrite_font_proxy/dwrite_localized_strings_win.h

-// Copyright 2015 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.
-
-#ifndef CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_
-#define CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_
-
-#include <dwrite.h>
-#include <wrl.h>
-#include <utility>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-
-namespace content {
-
-// Impements IDWriteLocalizedStrings, backed by a vector of string pairs.
-class DWriteLocalizedStrings
-    : public Microsoft::WRL::RuntimeClass<
-          Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
-          IDWriteLocalizedStrings> {
- public:
-  DWriteLocalizedStrings() = default;
-  ~DWriteLocalizedStrings() override;
-
-  // IDWriteLocalizedStrings:
-  HRESULT STDMETHODCALLTYPE FindLocaleName(const WCHAR* locale_name,
-                                           UINT32* index,
-                                           BOOL* exists) override;
-  UINT32 STDMETHODCALLTYPE GetCount() override;
-  HRESULT STDMETHODCALLTYPE GetLocaleName(UINT32 index,
-                                          WCHAR* locale_name,
-                                          UINT32 size) override;
-  HRESULT STDMETHODCALLTYPE GetLocaleNameLength(UINT32 index,
-                                                UINT32* length) override;
-  HRESULT STDMETHODCALLTYPE GetString(UINT32 index,
-                                      WCHAR* string_buffer,
-                                      UINT32 size) override;
-  HRESULT STDMETHODCALLTYPE GetStringLength(UINT32 index,
-                                            UINT32* length) override;
-
-  HRESULT STDMETHODCALLTYPE RuntimeClassInitialize(
-      std::vector<std::pair<base::string16, base::string16>>* strings);
-
- private:
-  // List of strings. First element of each pair is the locale, and the second
-  // element is the associated value. Use a vector because the expected number
-  // of pairs is small (typically 1-2, rarely up to a few dozen?) and we need
-  // index-based access.
-  std::vector<std::pair<base::string16, base::string16>> strings_;
-
-  DISALLOW_ASSIGN(DWriteLocalizedStrings);
-};
-
-}  // namespace content
-#endif  // CONTENT_CHILD_DWRITE_FONT_PROXY_DWRITE_LOCALIZED_STRINGS_WIN_H_