Fix compilation with SK_ENABLE_INST_COUNT=1

src/core/SkFontHost.cpp

Index: src/core/SkFontHost.cpp
diff --git a/src/core/SkFontHost.cpp b/src/core/SkFontHost.cpp
index f3d30e8591f5d894ca77b8922fe67550559a5372..a209b970278215bc381326aeea6c00fd18e3f75c 100644
--- a/src/core/SkFontHost.cpp
+++ b/src/core/SkFontHost.cpp
@@ -69,8 +69,6 @@ SkFontStyle::SkFontStyle(int weight, int width, Slant slant) {
 
 #include "SkFontMgr.h"
 
-SK_DEFINE_INST_COUNT(SkFontStyleSet)
-
 class SkEmptyFontStyleSet : public SkFontStyleSet {
 public:
     virtual int count() SK_OVERRIDE { return 0; }
@@ -92,8 +90,6 @@ SkFontStyleSet* SkFontStyleSet::CreateEmpty() {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SK_DEFINE_INST_COUNT(SkFontMgr)
-
 class SkEmptyFontMgr : public SkFontMgr {
 protected:
     virtual int onCountFamilies() SK_OVERRIDE {