Experimental change: Remove DirectWrite 1750 font limit.

ui/gfx/win/direct_write.cc

 // Copyright 2014 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 "ui/gfx/win/direct_write.h"
 
 #include <dwrite.h>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 27 matching lines @@
   // If forced off, don't use it.
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kDisableDirectWrite))
     return false;
 
   // Can't use GDI on HiDPI.
   if (gfx::GetDPIScale() > 1.0f)
     return true;
 
-  // We have logic in renderer_font_platform_win.cc for falling back to safe
-  // font list if machine has more than 1750 fonts installed. Users have
-  // complained about this as safe font list is usually not sufficient.
-  // We now disable direct write (gdi) if we encounter more number
-  // of fonts than a threshold (currently 1750).
-  // Refer: crbug.com/421305
-  const wchar_t kWindowsFontsRegistryKey[] =
-      L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
-  base::win::RegistryValueIterator reg_iterator(HKEY_LOCAL_MACHINE,
-                                                kWindowsFontsRegistryKey);
-  const DWORD kMaxAllowedFontsBeforeFallbackToGDI = 1750;
-  if (reg_iterator.ValueCount() >= kMaxAllowedFontsBeforeFallbackToGDI)
-    return false;
-
   // Otherwise, check the field trial.
   const std::string group_name =
       base::FieldTrialList::FindFullName("DirectWrite");
   return group_name != "Disabled";
 }
 
 void MaybeInitializeDirectWrite() {
   static bool tried_dwrite_initialize = false;
   if (tried_dwrite_initialize)
     return;
@@ skipping 32 matching lines @@
   // (6.1.7600.*). We should just use GDI in these cases.
   SkFontMgr* direct_write_font_mgr = SkFontMgr_New_DirectWrite(factory.get());
   if (direct_write_font_mgr) {
     SetDefaultSkiaFactory(direct_write_font_mgr);
     gfx::PlatformFontWin::SetDirectWriteFactory(factory.get());
   }
 }
 
 }  // namespace win
 }  // namespace gfx