Add plumbing in blink to allow overriding the skia font manager.

third_party/WebKit/Source/web/win/WebFontRendering.cpp

 // 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 "public/web/win/WebFontRendering.h"
 
 #include "platform/fonts/FontCache.h"
 
 namespace blink {
 
 // static
 void WebFontRendering::setUseDirectWrite(bool useDirectWrite)
 {
     FontCache::setUseDirectWrite(useDirectWrite);
 }
 
 // static
-void WebFontRendering::setDirectWriteFactory(IDWriteFactory* factory)
+void WebFontRendering::setSkiaFontManager(SkFontMgr* fontMgr)
 {
-    FontCache::setDirectWriteFactory(factory);
+    WTF::adopted(fontMgr);
+    FontCache::setFontManager(RefPtr<SkFontMgr>(fontMgr));
 }
 
 // static
 void WebFontRendering::setDeviceScaleFactor(float deviceScaleFactor)
 {
     FontCache::setDeviceScaleFactor(deviceScaleFactor);
 }
 
 // static
 void WebFontRendering::setUseSubpixelPositioning(bool useSubpixelPositioning)
@@ skipping 31 matching lines @@
     SkFontHost::SetSubpixelOrder(order);
 }
 
 // static
 void WebFontRendering::setLCDOrientation(SkFontHost::LCDOrientation orientation)
 {
     SkFontHost::SetSubpixelOrientation(orientation);
 }
 
 } // namespace blink