Fix code guarded by SK_FONT_HOST_USE_SYSTEM_SETTINGS.

src/ports/SkTypeface_win_dw.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 #if defined(SK_BUILD_FOR_WIN32)
 
@@ skipping 248 matching lines @@
                                   SkScalerContext::kForceAutohinting_Flag |
                                   SkScalerContext::kEmbolden_Flag |
                                   SkScalerContext::kLCD_Vertical_Flag;
     rec->fFlags &= ~flagsWeDontSupport;
 
     SkPaint::Hinting h = rec->getHinting();
     // DirectWrite does not provide for hinting hints.
     h = SkPaint::kSlight_Hinting;
     rec->setHinting(h);
 
-#if SK_FONT_HOST_USE_SYSTEM_SETTINGS
-    IDWriteFactory* factory = get_dwrite_factory();
+#if defined(SK_FONT_HOST_USE_SYSTEM_SETTINGS)
+    IDWriteFactory* factory = sk_get_dwrite_factory();
     if (factory != nullptr) {
         SkTScopedComPtr<IDWriteRenderingParams> defaultRenderingParams;
         if (SUCCEEDED(factory->CreateRenderingParams(&defaultRenderingParams))) {
             float gamma = defaultRenderingParams->GetGamma();
             rec->setDeviceGamma(gamma);
             rec->setPaintGamma(gamma);
 
             rec->setContrast(defaultRenderingParams->GetEnhancedContrast());
         }
     }
@@ skipping 177 matching lines @@
                 SkAdvancedTypefaceMetrics::GetAdvance([borrowedFontFace](int gId, int16_t* data) {
                     return getWidthAdvance(borrowedFontFace, gId, data);
                 })
             );
         }
     }
 
     return info;
 }
 #endif//defined(SK_BUILD_FOR_WIN32)