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

content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h

Index: content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h
diff --git a/content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h b/content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h
deleted file mode 100644
index be9d8ecc86a73442443559a0498d91921b9ec6c2..0000000000000000000000000000000000000000
--- a/content/browser/renderer_host/dwrite_font_proxy_message_filter_win.h
+++ /dev/null
@@ -1,64 +0,0 @@
-// 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_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_
-#define CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_
-
-#include <dwrite.h>
-#include <wrl.h>
-#include <set>
-#include <utility>
-#include <vector>
-
-#include "base/location.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/browser_message_filter.h"
-#include "content/public/browser/browser_thread.h"
-
-namespace content {
-
-// Implements a message filter that handles the dwrite font proxy messages.
-// If DWrite is enabled, calls into the system font collection to obtain
-// results. Otherwise, acts as if the system collection contains no fonts.
-class CONTENT_EXPORT DWriteFontProxyMessageFilter
-    : public BrowserMessageFilter {
- public:
-  DWriteFontProxyMessageFilter();
-  ~DWriteFontProxyMessageFilter() override;
-
-  // BrowserMessageFilter:
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OverrideThreadForMessage(const IPC::Message& message,
-                                content::BrowserThread::ID* thread) override;
-
- protected:
-  void OnFindFamily(const base::string16& family_name, UINT32* family_index);
-  void OnGetFamilyCount(UINT32* count);
-  void OnGetFamilyNames(
-      UINT32 family_index,
-      std::vector<std::pair<base::string16, base::string16>>* family_names);
-  void OnGetFontFiles(UINT32 family_index,
-                      std::vector<base::string16>* file_paths);
-
-  void InitializeDirectWrite();
-
- private:
-  bool AddFilesForFont(std::set<base::string16>* path_set, IDWriteFont* font);
-  bool AddLocalFile(std::set<base::string16>* path_set,
-                    IDWriteLocalFontFileLoader* local_loader,
-                    IDWriteFontFile* font_file);
-
- private:
-  bool direct_write_initialized_ = false;
-  Microsoft::WRL::ComPtr<IDWriteFontCollection> collection_;
-  base::string16 windows_fonts_path_;
-
-  DISALLOW_COPY_AND_ASSIGN(DWriteFontProxyMessageFilter);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_DWRITE_FONT_PROXY_MESSAGE_FILTER_WIN_H_