Remove user specified typeface id.

src/fonts/SkGScalerContext.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDescriptor.h"
 #include "SkGScalerContext.h"
 #include "SkGlyph.h"
@@ skipping 134 matching lines @@
         metrics->fXMax = SkScalarMul(metrics->fXMax, scale);
         metrics->fXHeight = SkScalarMul(metrics->fXHeight, scale);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "SkTypefaceCache.h"
 
 SkGTypeface::SkGTypeface(sk_sp<SkTypeface> proxy, const SkPaint& paint)
-    : SkTypeface(proxy->fontStyle(), SkTypefaceCache::NewFontID(), false)
+    : SkTypeface(proxy->fontStyle(), false)
     , fProxy(std::move(proxy))
     , fPaint(paint)
 {}
 
 SkScalerContext* SkGTypeface::onCreateScalerContext(const SkScalerContextEffects& effects,
                                                     const SkDescriptor* desc) const {
     return new SkGScalerContext(const_cast<SkGTypeface*>(this), effects, desc);
 }
 
 void SkGTypeface::onFilterRec(SkScalerContextRec* rec) const {
@@ skipping 82 matching lines @@
 
     friend class SkGFontBuilder;
     SkGFont(int count, Glyph* array);
 };
 
 class SkGFontBuilder {
 public:
 
 };
 #endif