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

content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.cc

Index: content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.cc
diff --git a/content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.cc b/content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.cc
deleted file mode 100644
index 7ec2a42451b9d98e4fa20b6db9e99ab5fc70ef73..0000000000000000000000000000000000000000
--- a/content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.cc
+++ /dev/null
@@ -1,118 +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.
-
-#include "content/child/dwrite_font_proxy/dwrite_font_proxy_init_win.h"
-
-#include <dwrite.h>
-
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/debug/alias.h"
-#include "base/win/iat_patch_function.h"
-#include "base/win/windows_version.h"
-#include "content/child/dwrite_font_proxy/dwrite_font_proxy_win.h"
-#include "content/common/font_warmup_win.h"
-#include "skia/ext/fontmgr_default_win.h"
-#include "third_party/WebKit/public/web/win/WebFontRendering.h"
-#include "third_party/skia/include/ports/SkTypeface_win.h"
-
-namespace mswr = Microsoft::WRL;
-
-namespace content {
-
-namespace {
-
-mswr::ComPtr<DWriteFontCollectionProxy> g_font_collection;
-IPC::Sender* g_sender_override = nullptr;
-
-// Windows-only DirectWrite support. These warm up the DirectWrite paths
-// before sandbox lock down to allow Skia access to the Font Manager service.
-void CreateDirectWriteFactory(IDWriteFactory** factory) {
-  typedef decltype(DWriteCreateFactory)* DWriteCreateFactoryProc;
-  HMODULE dwrite_dll = LoadLibraryW(L"dwrite.dll");
-  // TODO(scottmg): Temporary code to track crash in http://crbug.com/387867.
-  if (!dwrite_dll) {
-    DWORD load_library_get_last_error = GetLastError();
-    base::debug::Alias(&dwrite_dll);
-    base::debug::Alias(&load_library_get_last_error);
-    CHECK(false);
-  }
-
-  // This shouldn't be necessary, but not having this causes breakage in
-  // content_browsertests, and possibly other high-stress cases.
-  PatchServiceManagerCalls();
-
-  DWriteCreateFactoryProc dwrite_create_factory_proc =
-      reinterpret_cast<DWriteCreateFactoryProc>(
-          GetProcAddress(dwrite_dll, "DWriteCreateFactory"));
-  // TODO(scottmg): Temporary code to track crash in http://crbug.com/387867.
-  if (!dwrite_create_factory_proc) {
-    DWORD get_proc_address_get_last_error = GetLastError();
-    base::debug::Alias(&dwrite_create_factory_proc);
-    base::debug::Alias(&get_proc_address_get_last_error);
-    CHECK(false);
-  }
-  CHECK(SUCCEEDED(dwrite_create_factory_proc(
-      DWRITE_FACTORY_TYPE_ISOLATED, __uuidof(IDWriteFactory),
-      reinterpret_cast<IUnknown**>(factory))));
-}
-
-HRESULT STDMETHODCALLTYPE StubFontCollection(IDWriteFactory* factory,
-                                             IDWriteFontCollection** col,
-                                             BOOL checkUpdates) {
-  DCHECK(g_font_collection);
-  g_font_collection.CopyTo(col);
-  return S_OK;
-}
-
-// Copied from content/common/font_warmup_win.cc
-void PatchDWriteFactory(IDWriteFactory* factory) {
-  const unsigned int kGetSystemFontCollectionVTableIndex = 3;
-
-  PROC* vtable = *reinterpret_cast<PROC**>(factory);
-  PROC* function_ptr = &vtable[kGetSystemFontCollectionVTableIndex];
-  void* stub_function = &StubFontCollection;
-  base::win::ModifyCode(function_ptr, &stub_function, sizeof(PROC));
-}
-
-// Needed as a function for Bind()
-IPC::Sender* GetSenderOverride() {
-  return g_sender_override;
-}
-
-}  // namespace
-
-void InitializeDWriteFontProxy(
-    const base::Callback<IPC::Sender*(void)>& sender) {
-  mswr::ComPtr<IDWriteFactory> factory;
-
-  CreateDirectWriteFactory(&factory);
-
-  if (!g_font_collection) {
-    if (g_sender_override) {
-      mswr::MakeAndInitialize<DWriteFontCollectionProxy>(
-          &g_font_collection, factory.Get(), base::Bind(&GetSenderOverride));
-    } else {
-      mswr::MakeAndInitialize<DWriteFontCollectionProxy>(&g_font_collection,
-                                                         factory.Get(), sender);
-    }
-  }
-
-  PatchDWriteFactory(factory.Get());
-
-  blink::WebFontRendering::setDirectWriteFactory(factory.Get());
-  SkFontMgr* skia_font_manager = SkFontMgr_New_DirectWrite(factory.Get());
-  SetDefaultSkiaFactory(skia_font_manager);
-}
-
-void UninitializeDWriteFontProxy() {
-  if (g_font_collection)
-    g_font_collection->Unregister();
-}
-
-void SetDWriteFontProxySenderForTesting(IPC::Sender* sender) {
-  g_sender_override = sender;
-}
-
-}  // namespace content