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

content/common/dwrite_font_proxy_messages.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.
-
-#include <utility>
-#include <vector>
-
-#include "base/strings/string16.h"
-#include "content/common/content_export.h"
-#include "ipc/ipc_message_macros.h"
-
-#undef IPC_MESSAGE_EXPORT
-#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
-#define IPC_MESSAGE_START DWriteFontProxyMsgStart
-
-// The macros can't handle a complex template declaration, so we typedef it.
-typedef std::pair<base::string16, base::string16> DWriteStringPair;
-
-// Locates the index of the specified font family within the system collection.
-IPC_SYNC_MESSAGE_CONTROL1_1(DWriteFontProxyMsg_FindFamily,
-                            base::string16 /* family_name */,
-                            uint32_t /* out index */)
-
-// Returns the number of font families in the system collection.
-IPC_SYNC_MESSAGE_CONTROL0_1(DWriteFontProxyMsg_GetFamilyCount,
-                            uint32_t /* out count */)
-
-// Returns the list of locale and family name pairs for the font family at the
-// specified index.
-IPC_SYNC_MESSAGE_CONTROL1_1(
-    DWriteFontProxyMsg_GetFamilyNames,
-    uint32_t /* family_index */,
-    std::vector<DWriteStringPair> /* out family_names */)
-
-// Returns the list of font file paths in the system font directory that contain
-// font data for the font family at the specified index.
-IPC_SYNC_MESSAGE_CONTROL1_1(DWriteFontProxyMsg_GetFontFiles,
-                            uint32_t /* family_index */,
-                            std::vector<base::string16> /* out file_paths */)