Put SkEmptyTypeface in anonymous namespace.

tests/TypefaceTest.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 "SkRefCnt.h"
 #include "SkTypeface.h"
 #include "SkTypefaceCache.h"
 #include "Test.h"
 
 DEF_TEST(Typeface, reporter) {
 
     SkAutoTUnref<SkTypeface> t1(SkTypeface::CreateFromName(nullptr, SkTypeface::kNormal));
     SkAutoTUnref<SkTypeface> t2(SkTypeface::RefDefault(SkTypeface::kNormal));
 
     REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), t2.get()));
     REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t1.get()));
     REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t2.get()));
     REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), 0));
     REPORTER_ASSERT(reporter, SkTypeface::Equal(t2.get(), 0));
 
 #ifdef SK_BUILD_FOR_ANDROID
     SkAutoTUnref<SkTypeface> t3(SkTypeface::CreateFromName("non-existent-font", SkTypeface::kNormal));
     REPORTER_ASSERT(reporter, nullptr == t3.get());
 #endif
 }
 
+namespace {
+
 class SkEmptyTypeface : public SkTypeface {
 public:
     static sk_sp<SkTypeface> Create(SkFontID id) { return sk_sp<SkTypeface>(new SkEmptyTypeface(id)); }
 protected:
     SkEmptyTypeface(SkFontID id) : SkTypeface(SkFontStyle(), id, true) { }
 
     SkStreamAsset* onOpenStream(int* ttcIndex) const override { return nullptr; }
     SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&,
                                            const SkDescriptor*) const override {
         return nullptr;
@@ skipping 12 matching lines @@
     int onGetUPEM() const override { return 0; };
     void onGetFamilyName(SkString* familyName) const override { familyName->reset(); }
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override {
         SK_ABORT("unimplemented");
         return nullptr;
     };
     int onGetTableTags(SkFontTableTag tags[]) const override { return 0; }
     size_t onGetTableData(SkFontTableTag, size_t, size_t, void*) const override { return 0; }
 };
 
+}
+
 static bool count_proc(SkTypeface* face, void* ctx) {
     int* count = static_cast<int*>(ctx);
     *count = *count + 1;
     return false;
 }
 static int count(skiatest::Reporter* reporter, const SkTypefaceCache& cache) {
     int count = 0;
     SkTypeface* none = cache.findByProcAndRef(count_proc, &count);
     REPORTER_ASSERT(reporter, none == nullptr);
     return count;
@@ skipping 12 matching lines @@
             REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
             cache.purgeAll();
             REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
         }
         REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
         cache.purgeAll();
         REPORTER_ASSERT(reporter, count(reporter, cache) == 1);
     }
     REPORTER_ASSERT(reporter, t1->unique());
 }