Implement onGetTableTags and onGetTableData on Windows.

Implements these and removes default implementation, making the
declaration in SkTypeface pure virtual.

Review URL: https://codereview.chromium.org/20672004

git-svn-id: http://skia.googlecode.com/svn/trunk@10500 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/ports/SkFontHost_FreeType_common.h b/src/ports/SkFontHost_FreeType_common.h
index 6bd3532..d3df9ce 100644
--- a/src/ports/SkFontHost_FreeType_common.h
+++ b/src/ports/SkFontHost_FreeType_common.h
@@ -64,6 +64,10 @@
                                 int glyphCount) const SK_OVERRIDE;
     virtual int onCountGlyphs() const SK_OVERRIDE;
 
+    virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE;
+    virtual size_t onGetTableData(SkFontTableTag, size_t offset,
+                                  size_t length, void* data) const SK_OVERRIDE;
+
 private:
     mutable int fGlyphCount;