Enforce pure virtual behavior for onMatchFamilyStyleCharacter

src/ports/SkFontMgr_win_dw.cpp

Index: src/ports/SkFontMgr_win_dw.cpp
diff --git a/src/ports/SkFontMgr_win_dw.cpp b/src/ports/SkFontMgr_win_dw.cpp
index f5bf85d3ae2efc5df52b0b71406ff3133ea6c7e6..eed57c2972823e66460ce29e1f81f1ec92674d40 100644
--- a/src/ports/SkFontMgr_win_dw.cpp
+++ b/src/ports/SkFontMgr_win_dw.cpp
@@ -270,6 +270,9 @@ protected:
     virtual SkFontStyleSet* onMatchFamily(const char familyName[]) const SK_OVERRIDE;
     virtual SkTypeface* onMatchFamilyStyle(const char familyName[],
                                            const SkFontStyle& fontstyle) const SK_OVERRIDE;
+    virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
+                                                    const char* bcp47[], int bcp47Count,
+                                                    SkUnichar character) const SK_OVERRIDE;
     virtual SkTypeface* onMatchFaceStyle(const SkTypeface* familyMember,
                                          const SkFontStyle& fontstyle) const SK_OVERRIDE;
     virtual SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const SK_OVERRIDE;
@@ -483,6 +486,13 @@ SkTypeface* SkFontMgr_DirectWrite::onMatchFamilyStyle(const char familyName[],
     return sset->matchStyle(fontstyle);
 }
 
+SkTypeface* SkFontMgr_DirectWrite::onMatchFamilyStyleCharacter(const char familyName[],
+                                                               const SkFontStyle&,
+                                                               const char* bcp47[], int bcp47Count,
+                                                               SkUnichar character) const {
+    return NULL;
+}
+
 SkTypeface* SkFontMgr_DirectWrite::onMatchFaceStyle(const SkTypeface* familyMember,
                                                     const SkFontStyle& fontstyle) const {
     SkString familyName;