Remove a pointless use of SkWeakRefCnt.

src/ports/SkFontMgr_fontconfig.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 "SkDataTable.h"
 #include "SkFontDescriptor.h"
 #include "SkFontHost_FreeType_common.h"
@@ skipping 565 matching lines @@
      *  @param pattern a complete pattern from FcFontRenderPrepare.
      */
     SkTypeface* createTypefaceFromFcPattern(FcPattern* pattern) const {
         FCLocker::AssertHeld();
         SkAutoMutexAcquire ama(fTFCacheMutex);
         SkTypeface* face = fTFCache.findByProcAndRef(FindByFcPattern, pattern);
         if (NULL == face) {
             FcPatternReference(pattern);
             face = SkTypeface_fontconfig::Create(pattern);
             if (face) {
-                fTFCache.add(face, SkFontStyle(), true);
+                fTFCache.add(face, SkFontStyle());
             }
         }
         return face;
     }
 
 public:
     SkFontMgr_fontconfig()
         : fFC(FcInitLoadConfigAndFonts())
         , fFamilyNames(GetFamilyNames(fFC)) { }
 
@@ skipping 262 matching lines @@
             return typeface.detach();
         }
 
         return this->matchFamilyStyle(NULL, style);
     }
 };
 
 SkFontMgr* SkFontMgr::Factory() {
     return SkNEW(SkFontMgr_fontconfig);
 }